diff --git a/cli/src/main/java/com/devonfw/tools/ide/environment/AbstractEnvironmentVariables.java b/cli/src/main/java/com/devonfw/tools/ide/environment/AbstractEnvironmentVariables.java
index dad65e308..4b8bd6551 100644
--- a/cli/src/main/java/com/devonfw/tools/ide/environment/AbstractEnvironmentVariables.java
+++ b/cli/src/main/java/com/devonfw/tools/ide/environment/AbstractEnvironmentVariables.java
@@ -28,6 +28,8 @@ public abstract class AbstractEnvironmentVariables implements EnvironmentVariabl
   // Variable surrounded with "${" and "}" such as "${JAVA_HOME}" 1......2........
   private static final Pattern VARIABLE_SYNTAX = Pattern.compile("(\\$\\{([^}]+)})");
 
+  private static final String SELF_REFERENCING_NOT_FOUND = "";
+
   private static final int MAX_RECURSION = 9;
 
   private static final String VARIABLE_PREFIX = "${";
@@ -161,19 +163,44 @@ public EnvironmentVariables resolved() {
   @Override
   public String resolve(String string, Object src) {
 
-    return resolve(string, src, 0, src, string);
+    return resolve(string, src, 0, src, string, this);
   }
 
-  private String resolve(String value, Object src, int recursion, Object rootSrc, String rootValue) {
+  /**
+   * This method is called recursively. This allows you to resolve variables that are defined by other variables.
+   *
+   * @param value the {@link String} that potentially contains variables in the syntax "${«variable«}". Those will be
+   *        resolved by this method and replaced with their {@link #get(String) value}.
+   * @param src the source where the {@link String} to resolve originates from. Should have a reasonable
+   *        {@link Object#toString() string representation} that will be used in error or log messages if a variable
+   *        could not be resolved.
+   * @param recursion the current recursion level. This is used to interrupt endless recursion.
+   * @param rootSrc the root source where the {@link String} to resolve originates from.
+   * @param rootValue the root value to resolve.
+   * @param resolvedVars this is a reference to an object of {@link EnvironmentVariablesResolved} being the lowest level
+   *        in the {@link EnvironmentVariablesType hierarchy} of variables. In case of a self-referencing variable
+   *        {@code x} the resolving has to continue one level higher in the {@link EnvironmentVariablesType hierarchy}
+   *        to avoid endless recursion. The {@link EnvironmentVariablesResolved} is then used if another variable
+   *        {@code y} must be resolved, since resolving this variable has to again start at the lowest level. For
+   *        example: For levels {@code l1, l2} with {@code l1 < l2} and {@code x=${x} foo} and {@code y=bar} defined at
+   *        level {@code l1} and {@code x=test ${y}} defined at level {@code l2}, {@code x} is first resolved at level
+   *        {@code l1} and then up the {@link EnvironmentVariablesType hierarchy} at {@code l2} to avoid endless
+   *        recursion. However, {@code y} must be resolved starting from the lowest level in the
+   *        {@link EnvironmentVariablesType hierarchy} and therefore {@link EnvironmentVariablesResolved} is used.
+   * @return the given {@link String} with the variables resolved.
+   */
+  private String resolve(String value, Object src, int recursion, Object rootSrc, String rootValue,
+      AbstractEnvironmentVariables resolvedVars) {
 
     if (value == null) {
       return null;
     }
     if (recursion > MAX_RECURSION) {
-      throw new IllegalStateException("Reached maximum recursion resolving " + value + " for root valiable " + rootSrc
+      throw new IllegalStateException("Reached maximum recursion resolving " + value + " for root variable " + rootSrc
           + " with value '" + rootValue + "'.");
     }
     recursion++;
+
     Matcher matcher = VARIABLE_SYNTAX.matcher(value);
     if (!matcher.find()) {
       return value;
@@ -181,16 +208,43 @@ private String resolve(String value, Object src, int recursion, Object rootSrc,
     StringBuilder sb = new StringBuilder(value.length() + EXTRA_CAPACITY);
     do {
       String variableName = matcher.group(2);
-      String variableValue = getValue(variableName);
+      String variableValue = resolvedVars.getValue(variableName);
       if (variableValue == null) {
         this.context.warning("Undefined variable {} in '{}={}' for root '{}={}'", variableName, src, value, rootSrc,
             rootValue);
-      } else {
-        String replacement = resolve(variableValue, variableName, recursion, rootSrc, rootValue);
+        continue;
+      }
+      EnvironmentVariables lowestFound = findVariable(variableName);
+      boolean isNotSelfReferencing = lowestFound == null || !lowestFound.getFlat(variableName).equals(value);
+
+      if (isNotSelfReferencing) {
+        // looking for "variableName" starting from resolved upwards the hierarchy
+        String replacement = resolvedVars.resolve(variableValue, variableName, recursion, rootSrc, rootValue,
+            resolvedVars);
+        matcher.appendReplacement(sb, Matcher.quoteReplacement(replacement));
+      } else { // is self referencing
+        // finding next occurrence of "variableName" up the hierarchy of EnvironmentVariablesType
+        EnvironmentVariables next = lowestFound.getParent();
+        while (next != null) {
+          if (next.getFlat(variableName) != null) {
+            break;
+          }
+          next = next.getParent();
+        }
+        if (next == null) {
+          matcher.appendReplacement(sb, Matcher.quoteReplacement(SELF_REFERENCING_NOT_FOUND));
+          continue;
+        }
+        // resolving a self referencing variable one level up the hierarchy of EnvironmentVariablesType, i.e. at "next",
+        // to avoid endless recursion
+        String replacement = ((AbstractEnvironmentVariables) next).resolve(next.getFlat(variableName), variableName,
+            recursion, rootSrc, rootValue, resolvedVars);
         matcher.appendReplacement(sb, Matcher.quoteReplacement(replacement));
+
       }
     } while (matcher.find());
     matcher.appendTail(sb);
+
     String resolved = sb.toString();
     return resolved;
   }
diff --git a/cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariables.java b/cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariables.java
index 5e5fc6aff..d99e67d1f 100644
--- a/cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariables.java
+++ b/cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariables.java
@@ -186,7 +186,7 @@ default EnvironmentVariables findVariable(String name) {
    * @param source the source where the {@link String} to resolve originates from. Should have a reasonable
    *        {@link Object#toString() string representation} that will be used in error or log messages if a variable
    *        could not be resolved.
-   * @return the the given {@link String} with the variables resolved.
+   * @return the given {@link String} with the variables resolved.
    * @see com.devonfw.tools.ide.tool.ide.IdeToolCommandlet
    */
   String resolve(String string, Object source);
diff --git a/cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariablesPropertiesFile.java b/cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariablesPropertiesFile.java
index a106f5f3b..963a67996 100644
--- a/cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariablesPropertiesFile.java
+++ b/cli/src/main/java/com/devonfw/tools/ide/environment/EnvironmentVariablesPropertiesFile.java
@@ -222,9 +222,9 @@ public String set(String name, String value, boolean export) {
     String oldValue = this.variables.put(name, value);
     boolean flagChanged = export != this.exportedVariables.contains(name);
     if (Objects.equals(value, oldValue) && !flagChanged) {
-      this.context.trace("Set valiable '{}={}' caused no change in {}", name, value, this.propertiesFilePath);
+      this.context.trace("Set variable '{}={}' caused no change in {}", name, value, this.propertiesFilePath);
     } else {
-      this.context.debug("Set valiable '{}={}' in {}", name, value, this.propertiesFilePath);
+      this.context.debug("Set variable '{}={}' in {}", name, value, this.propertiesFilePath);
       this.modifiedVariables.add(name);
       if (export && (value != null)) {
         this.exportedVariables.add(name);
diff --git a/cli/src/main/java/com/devonfw/tools/ide/version/BoundaryType.java b/cli/src/main/java/com/devonfw/tools/ide/version/BoundaryType.java
new file mode 100644
index 000000000..c8abed59a
--- /dev/null
+++ b/cli/src/main/java/com/devonfw/tools/ide/version/BoundaryType.java
@@ -0,0 +1,19 @@
+package com.devonfw.tools.ide.version;
+
+/**
+ * Enum representing the type of interval regarding its boundaries.
+ */
+public enum BoundaryType {
+
+  /** Closed interval - includes the specified values at the boundaries. */
+  CLOSED,
+
+  /** Open interval - excludes the specified values at the boundaries. */
+  OPEN,
+
+  /** Left open interval - excludes the lower bound but includes the upper bound. */
+  LEFT_OPEN,
+
+  /** Right open interval - includes the lower bound but excludes the upper bound. */
+  RIGHT_OPEN
+}
diff --git a/cli/src/main/java/com/devonfw/tools/ide/version/VersionObject.java b/cli/src/main/java/com/devonfw/tools/ide/version/VersionObject.java
index 5b4b4c871..c72e9d9f8 100644
--- a/cli/src/main/java/com/devonfw/tools/ide/version/VersionObject.java
+++ b/cli/src/main/java/com/devonfw/tools/ide/version/VersionObject.java
@@ -3,12 +3,11 @@
 /**
  * Abstract base interface for a version object such as {@link VersionIdentifier} and {@link VersionSegment}.
  *
- *
  * {@link Comparable} for versions with an extended contract. If two versions are not strictly comparable (e.g.
  * "1.apple" and "1.banana") we fall back to some heuristics (e.g. lexicographical comparison for
- * {@link VersionSegment#getLettersString() letters} that we do not understand (e.g. "apple" < "banana"). Therefore you can
- * use {@link #compareVersion(Object)} to get a {@link VersionComparisonResult} that contains the additional information
- * as {@link VersionComparisonResult#isUnsafe() unsafe} flag.
+ * {@link VersionSegment#getLettersString() letters} that we do not understand (e.g. "apple" < "banana"). Therefore, you
+ * can use {@link #compareVersion(Object)} to get a {@link VersionComparisonResult} that contains the additional
+ * information as {@link VersionComparisonResult#isUnsafe() unsafe} flag.
  *
  * @param <T> type of the object to compare (this class itself).
  */
diff --git a/cli/src/main/java/com/devonfw/tools/ide/version/VersionRange.java b/cli/src/main/java/com/devonfw/tools/ide/version/VersionRange.java
index d09021a2b..df27e3612 100644
--- a/cli/src/main/java/com/devonfw/tools/ide/version/VersionRange.java
+++ b/cli/src/main/java/com/devonfw/tools/ide/version/VersionRange.java
@@ -1,7 +1,12 @@
 package com.devonfw.tools.ide.version;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
+
 /**
- * Container for a range of versions.
+ * Container for a range of versions. The lower and upper bounds can be exclusive or inclusive. If a bound is null, it
+ * means that this direction is unbounded. The boolean defining whether this bound is inclusive or exclusive is ignored
+ * in this case.
  */
 public final class VersionRange implements Comparable<VersionRange> {
 
@@ -9,6 +14,45 @@ public final class VersionRange implements Comparable<VersionRange> {
 
   private final VersionIdentifier max;
 
+  private final boolean leftIsExclusive;
+
+  private final boolean rightIsExclusive;
+
+  private static final String VERSION_SEPARATOR = ">";
+
+  private static final String START_EXCLUDING_PREFIX = "(";
+
+  private static final String START_INCLUDING_PREFIX = "[";
+
+  private static final String END_EXCLUDING_SUFFIX = ")";
+
+  private static final String END_INCLUDING_SUFFIX = "]";
+
+  public static String getVersionSeparator() {
+
+    return VERSION_SEPARATOR;
+  }
+
+  public static String getStartExcludingPrefix() {
+
+    return START_EXCLUDING_PREFIX;
+  }
+
+  public static String getStartIncludingPrefix() {
+
+    return START_INCLUDING_PREFIX;
+  }
+
+  public static String getEndExcludingSuffix() {
+
+    return END_EXCLUDING_SUFFIX;
+  }
+
+  public static String getEndIncludingSuffix() {
+
+    return END_INCLUDING_SUFFIX;
+  }
+
   /**
    * The constructor.
    *
@@ -20,6 +64,42 @@ public VersionRange(VersionIdentifier min, VersionIdentifier max) {
     super();
     this.min = min;
     this.max = max;
+    this.leftIsExclusive = false;
+    this.rightIsExclusive = false;
+  }
+
+  /**
+   * The constructor.
+   *
+   * @param min the {@link #getMin() minimum}.
+   * @param max the {@link #getMax() maximum}.
+   * @param boundaryType the {@link BoundaryType} defining whether the boundaries of the range are inclusive or
+   *        exclusive.
+   */
+  public VersionRange(VersionIdentifier min, VersionIdentifier max, BoundaryType boundaryType) {
+
+    super();
+    this.min = min;
+    this.max = max;
+    this.leftIsExclusive = BoundaryType.LEFT_OPEN.equals(boundaryType) || BoundaryType.OPEN.equals(boundaryType);
+    this.rightIsExclusive = BoundaryType.RIGHT_OPEN.equals(boundaryType) || BoundaryType.OPEN.equals(boundaryType);
+  }
+
+  /**
+   * The constructor.
+   *
+   * @param min the {@link #getMin() minimum}.
+   * @param max the {@link #getMax() maximum}.
+   * @param leftIsExclusive - {@code true} if the {@link #getMin() minimum} is exclusive, {@code false} otherwise.
+   * @param rightIsExclusive - {@code true} if the {@link #getMax() maximum} is exclusive, {@code false} otherwise.
+   */
+  public VersionRange(VersionIdentifier min, VersionIdentifier max, boolean leftIsExclusive, boolean rightIsExclusive) {
+
+    super();
+    this.min = min;
+    this.max = max;
+    this.leftIsExclusive = leftIsExclusive;
+    this.rightIsExclusive = rightIsExclusive;
   }
 
   /**
@@ -38,6 +118,38 @@ public VersionIdentifier getMax() {
     return this.max;
   }
 
+  /**
+   * @return {@code true} if the {@link #getMin() minimum} is exclusive, {@code false} otherwise.
+   */
+  public boolean isLeftExclusive() {
+
+    return this.leftIsExclusive;
+  }
+
+  /**
+   * @return {@code true} if the {@link #getMax() maximum} is exclusive, {@code false} otherwise.
+   */
+  public boolean isRightExclusive() {
+
+    return this.rightIsExclusive;
+  }
+
+  /**
+   * @return the {@link BoundaryType} defining whether the boundaries of the range are inclusive or exclusive.
+   */
+  public BoundaryType getBoundaryType() {
+
+    if (this.leftIsExclusive && this.rightIsExclusive) {
+      return BoundaryType.OPEN;
+    } else if (this.leftIsExclusive) {
+      return BoundaryType.LEFT_OPEN;
+    } else if (this.rightIsExclusive) {
+      return BoundaryType.RIGHT_OPEN;
+    } else {
+      return BoundaryType.CLOSED;
+    }
+  }
+
   /**
    * @param version the {@link VersionIdentifier} to check.
    * @return {@code true} if the given {@link VersionIdentifier} is contained in this {@link VersionRange},
@@ -46,12 +158,18 @@ public VersionIdentifier getMax() {
   public boolean contains(VersionIdentifier version) {
 
     if (this.min != null) {
-      if (version.isLess(this.min)) {
+      VersionComparisonResult compareMin = version.compareVersion(this.min);
+      if (compareMin.isLess()) {
+        return false;
+      } else if (compareMin.isEqual() && this.leftIsExclusive) {
         return false;
       }
     }
     if (this.max != null) {
-      if (version.isGreater(this.max)) {
+      VersionComparisonResult compareMax = version.compareVersion(this.max);
+      if (compareMax.isGreater()) {
+        return false;
+      } else if (compareMax.isEqual() && this.rightIsExclusive) {
         return false;
       }
     }
@@ -69,20 +187,48 @@ public int compareTo(VersionRange o) {
       }
       return -1;
     }
-    return this.min.compareTo(o.min);
+    int compareMins = this.min.compareTo(o.min);
+    if (compareMins == 0) {
+      return this.leftIsExclusive == o.leftIsExclusive ? 0 : this.leftIsExclusive ? 1 : -1;
+    } else {
+      return compareMins;
+    }
   }
 
   @Override
+  public boolean equals(Object obj) {
+
+    if (this == obj) {
+      return true;
+    } else if ((obj == null) || (getClass() != obj.getClass())) {
+      return false;
+    }
+    VersionRange o = (VersionRange) obj;
+    if (this.min == null && this.max == null) {
+      return o.min == null && o.max == null;
+    } else if (this.min == null) {
+      return o.min == null && this.max.equals(o.max) && this.rightIsExclusive == o.rightIsExclusive;
+    } else if (this.max == null) {
+      return this.min.equals(o.min) && o.max == null && this.leftIsExclusive == o.leftIsExclusive;
+    }
+    return this.min.equals(o.min) && this.leftIsExclusive == o.leftIsExclusive && this.max.equals(o.max)
+        && this.rightIsExclusive == o.rightIsExclusive;
+  }
+
+  @Override
+  @JsonValue
   public String toString() {
 
     StringBuilder sb = new StringBuilder();
+    sb.append(this.leftIsExclusive ? START_EXCLUDING_PREFIX : START_INCLUDING_PREFIX);
     if (this.min != null) {
       sb.append(this.min);
     }
-    sb.append('>');
+    sb.append(VERSION_SEPARATOR);
     if (this.max != null) {
       sb.append(this.max);
     }
+    sb.append(this.rightIsExclusive ? END_EXCLUDING_SUFFIX : END_INCLUDING_SUFFIX);
     return sb.toString();
   }
 
@@ -90,12 +236,18 @@ public String toString() {
    * @param value the {@link #toString() string representation} of a {@link VersionRange} to parse.
    * @return the parsed {@link VersionRange}.
    */
+  @JsonCreator
   public static VersionRange of(String value) {
 
-    int index = value.indexOf('>');
+    boolean leftIsExclusive = value.startsWith(START_EXCLUDING_PREFIX);
+    boolean rightIsExclusive = value.endsWith(END_EXCLUDING_SUFFIX);
+    value = removeAffixes(value);
+
+    int index = value.indexOf(VERSION_SEPARATOR);
     if (index == -1) {
       return null; // log warning?
     }
+
     VersionIdentifier min = null;
     if (index > 0) {
       min = VersionIdentifier.of(value.substring(0, index));
@@ -105,7 +257,22 @@ public static VersionRange of(String value) {
     if (!maxString.isEmpty()) {
       max = VersionIdentifier.of(maxString);
     }
-    return new VersionRange(min, max);
+    return new VersionRange(min, max, leftIsExclusive, rightIsExclusive);
+  }
+
+  private static String removeAffixes(String value) {
+
+    if (value.startsWith(START_EXCLUDING_PREFIX)) {
+      value = value.substring(START_EXCLUDING_PREFIX.length());
+    } else if (value.startsWith(START_INCLUDING_PREFIX)) {
+      value = value.substring(START_INCLUDING_PREFIX.length());
+    }
+    if (value.endsWith(END_EXCLUDING_SUFFIX)) {
+      value = value.substring(0, value.length() - END_EXCLUDING_SUFFIX.length());
+    } else if (value.endsWith(END_INCLUDING_SUFFIX)) {
+      value = value.substring(0, value.length() - END_EXCLUDING_SUFFIX.length());
+    }
+    return value;
   }
 
 }
diff --git a/cli/src/test/java/com/devonfw/tools/ide/commandlet/InstallCommandletTest.java b/cli/src/test/java/com/devonfw/tools/ide/commandlet/InstallCommandletTest.java
new file mode 100644
index 000000000..6633aff01
--- /dev/null
+++ b/cli/src/test/java/com/devonfw/tools/ide/commandlet/InstallCommandletTest.java
@@ -0,0 +1,112 @@
+package com.devonfw.tools.ide.commandlet;
+
+import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
+import static com.github.tomakehurst.wiremock.client.WireMock.get;
+import static com.github.tomakehurst.wiremock.client.WireMock.urlPathEqualTo;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import com.devonfw.tools.ide.context.AbstractIdeContextTest;
+import com.devonfw.tools.ide.context.IdeContext;
+import com.github.tomakehurst.wiremock.WireMockServer;
+import com.github.tomakehurst.wiremock.core.WireMockConfiguration;
+
+/**
+ * Integration test of {@link InstallCommandlet}.
+ */
+
+public class InstallCommandletTest extends AbstractIdeContextTest {
+
+  private static WireMockServer server;
+
+  private static Path resourcePath = Paths.get("src/test/resources");
+
+  @BeforeAll
+  static void setUp() throws IOException {
+
+    server = new WireMockServer(WireMockConfiguration.wireMockConfig().port(1111));
+    server.start();
+  }
+
+  @AfterAll
+  static void tearDown() throws IOException {
+
+    server.shutdownServer();
+  }
+
+  private void mockWebServer() throws IOException {
+
+    Path windowsFilePath = resourcePath.resolve("__files").resolve("java-17.0.6-windows-x64.zip");
+    String windowsLength = String.valueOf(Files.size(windowsFilePath));
+    server.stubFor(
+        get(urlPathEqualTo("/installTest/windows")).willReturn(aResponse().withHeader("Content-Type", "application/zip")
+            .withHeader("Content-Length", windowsLength).withStatus(200).withBodyFile("java-17.0.6-windows-x64.zip")));
+
+    Path linuxFilePath = resourcePath.resolve("__files").resolve("java-17.0.6-linux-x64.tgz");
+    String linuxLength = String.valueOf(Files.size(linuxFilePath));
+    server.stubFor(
+        get(urlPathEqualTo("/installTest/linux")).willReturn(aResponse().withHeader("Content-Type", "application/tgz")
+            .withHeader("Content-Length", linuxLength).withStatus(200).withBodyFile("java-17.0.6-linux-x64.tgz")));
+
+    server.stubFor(
+        get(urlPathEqualTo("/installTest/macOS")).willReturn(aResponse().withHeader("Content-Type", "application/tgz")
+            .withHeader("Content-Length", linuxLength).withStatus(200).withBodyFile("java-17.0.6-linux-x64.tgz")));
+  }
+
+  /**
+   * Test of {@link InstallCommandlet} run, when Installed Version is null.
+   */
+  @Test
+  public void testInstallCommandletRunWithVersion() throws IOException {
+
+    // arrange
+    String path = "workspaces/foo-test/my-git-repo";
+    IdeContext context = newContext("basic", path, true);
+    InstallCommandlet install = context.getCommandletManager().getCommandlet(InstallCommandlet.class);
+    install.tool.setValueAsString("java");
+    mockWebServer();
+    // act
+    install.run();
+    // assert
+    assertTestInstall(context);
+  }
+
+  /**
+   * Test of {@link InstallCommandlet} run, when Installed Version is set.
+   */
+  @Test
+  public void testInstallCommandletRunWithVersionAndVersionIdentifier() throws IOException {
+
+    // arrange
+    String path = "workspaces/foo-test/my-git-repo";
+    IdeContext context = newContext("basic", path, true);
+    InstallCommandlet install = context.getCommandletManager().getCommandlet(InstallCommandlet.class);
+    install.tool.setValueAsString("java");
+    install.version.setValueAsString("17.0.6");
+    mockWebServer();
+
+    // act
+    install.run();
+    // assert
+    assertTestInstall(context);
+  }
+
+  private void assertTestInstall(IdeContext context) {
+
+    assertThat(context.getSoftwarePath().resolve("java")).exists();
+    assertThat(context.getSoftwarePath().resolve("java/InstallTest.txt")).hasContent("This is a test file.");
+    assertThat(context.getSoftwarePath().resolve("java/bin/HelloWorld.txt")).hasContent("Hello World!");
+    if(context.getSystemInfo().isWindows()){
+      assertThat(context.getSoftwarePath().resolve("java/bin/java.cmd")).exists();
+    } else if (context.getSystemInfo().isLinux() || context.getSystemInfo().isMac()) {
+      assertThat(context.getSoftwarePath().resolve("java/bin/java")).exists();
+    }
+  }
+}
diff --git a/cli/src/test/java/com/devonfw/tools/ide/commandlet/VersionSetCommandletTest.java b/cli/src/test/java/com/devonfw/tools/ide/commandlet/VersionSetCommandletTest.java
index bc82d1f35..a43227b28 100644
--- a/cli/src/test/java/com/devonfw/tools/ide/commandlet/VersionSetCommandletTest.java
+++ b/cli/src/test/java/com/devonfw/tools/ide/commandlet/VersionSetCommandletTest.java
@@ -44,6 +44,15 @@ public void testVersionSetCommandletRun() throws IOException {
         IDE_TOOLS=mvn,eclipse
 
         BAR=bar-${SOME}
-                """);
+        
+        TEST_ARGS1=${TEST_ARGS1} settings1
+        TEST_ARGS4=${TEST_ARGS4} settings4
+        TEST_ARGS5=${TEST_ARGS5} settings5
+        TEST_ARGS6=${TEST_ARGS6} settings6
+        TEST_ARGS7=${TEST_ARGS7} settings7
+        TEST_ARGS8=settings8
+        TEST_ARGS9=settings9
+        TEST_ARGSb=${TEST_ARGS10} settingsb ${TEST_ARGSa} ${TEST_ARGSb}
+        TEST_ARGSc=${TEST_ARGSc} settingsc""");
   }
 }
diff --git a/cli/src/test/java/com/devonfw/tools/ide/environment/EnvironmentVariablesTest.java b/cli/src/test/java/com/devonfw/tools/ide/environment/EnvironmentVariablesTest.java
new file mode 100644
index 000000000..7f001c490
--- /dev/null
+++ b/cli/src/test/java/com/devonfw/tools/ide/environment/EnvironmentVariablesTest.java
@@ -0,0 +1,60 @@
+package com.devonfw.tools.ide.environment;
+
+import com.devonfw.tools.ide.context.AbstractIdeContextTest;
+import com.devonfw.tools.ide.context.IdeTestContext;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Test of {@link EnvironmentVariables}.
+ */
+public class EnvironmentVariablesTest extends AbstractIdeContextTest {
+
+  /**
+   * Test of {@link EnvironmentVariables#resolve(String, Object)} with self referencing variables.
+   */
+  @Test
+  public void testProperEvaluationOfVariables() {
+
+    // arrange
+    String path = "workspaces/foo-test/my-git-repo";
+    IdeTestContext context = newContext(PROJECT_BASIC, path, false);
+    EnvironmentVariables variables = context.getVariables();
+
+    // act
+    String TEST_ARGS1 = variables.get("TEST_ARGS1");
+    String TEST_ARGS2 = variables.get("TEST_ARGS2");
+    String TEST_ARGS3 = variables.get("TEST_ARGS3");
+    String TEST_ARGS4 = variables.get("TEST_ARGS4");
+    String TEST_ARGS5 = variables.get("TEST_ARGS5");
+    String TEST_ARGS6 = variables.get("TEST_ARGS6");
+    String TEST_ARGS7 = variables.get("TEST_ARGS7");
+    String TEST_ARGS8 = variables.get("TEST_ARGS8");
+    String TEST_ARGS9 = variables.get("TEST_ARGS9");
+    String TEST_ARGS10 = variables.get("TEST_ARGS10");
+    // some more advanced cases
+    String TEST_ARGSa = variables.get("TEST_ARGSa");
+    String TEST_ARGSb = variables.get("TEST_ARGSb");
+    String TEST_ARGSc = variables.get("TEST_ARGSc");
+    String TEST_ARGSd = variables.get("TEST_ARGSd");
+
+    // assert
+    assertThat(TEST_ARGS1).isEqualTo(" user1 settings1 workspace1 conf1");
+    assertThat(TEST_ARGS2).isEqualTo(" user2 conf2");
+    assertThat(TEST_ARGS3).isEqualTo(" user3 workspace3");
+    assertThat(TEST_ARGS4).isEqualTo(" settings4");
+    assertThat(TEST_ARGS5).isEqualTo(" settings5 conf5");
+    assertThat(TEST_ARGS6).isEqualTo(" settings6 workspace6 conf6");
+
+    assertThat(TEST_ARGS7).isEqualTo("user7 settings7 workspace7 conf7");
+    assertThat(TEST_ARGS8).isEqualTo("settings8 workspace8 conf8");
+    assertThat(TEST_ARGS9).isEqualTo("settings9 workspace9");
+    assertThat(TEST_ARGS10).isEqualTo("user10 workspace10");
+
+    assertThat(TEST_ARGSa).isEqualTo(" user1 settings1 workspace1 conf1  user3 workspace3 confa");
+    assertThat(TEST_ARGSb)
+        .isEqualTo("user10 workspace10 settingsb  user1 settings1 workspace1 conf1  user3 workspace3 confa userb");
+
+    assertThat(TEST_ARGSc).isEqualTo(" user1 settings1 workspace1 conf1 userc settingsc confc");
+    assertThat(TEST_ARGSd).isEqualTo(" user1 settings1 workspace1 conf1 userd workspaced");
+  }
+}
diff --git a/cli/src/test/java/com/devonfw/tools/ide/version/VersionRangeTest.java b/cli/src/test/java/com/devonfw/tools/ide/version/VersionRangeTest.java
new file mode 100644
index 000000000..0a305f8a6
--- /dev/null
+++ b/cli/src/test/java/com/devonfw/tools/ide/version/VersionRangeTest.java
@@ -0,0 +1,152 @@
+package com.devonfw.tools.ide.version;
+
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Test of {@link VersionRange}.
+ */
+public class VersionRangeTest extends Assertions {
+
+  /**
+   * Test of {@link VersionRange#of(String)}.
+   */
+  @Test
+  public void testOf() {
+
+    // arrange
+    String v1String = "1.2>3";
+    String v2String = "1>)";
+    String v3String = "(1.2>3.4]";
+
+    // act
+    VersionRange v1 = VersionRange.of(v1String);
+    VersionRange v2 = VersionRange.of(v2String);
+    VersionRange v3 = VersionRange.of(v3String);
+
+    // assert
+    // v1
+    assertThat(v1.getMin()).isEqualTo(VersionIdentifier.of("1.2"));
+    assertThat(v1.getMax()).isEqualTo(VersionIdentifier.of("3"));
+    assertThat(v1.isLeftExclusive()).isFalse();
+    assertThat(v1.isRightExclusive()).isFalse();
+    // v2
+    assertThat(v2.getMin()).isEqualTo(VersionIdentifier.of("1"));
+    assertThat(v2.getMax()).isEqualTo(null);
+    assertThat(v2.isLeftExclusive()).isFalse();
+    assertThat(v2.isRightExclusive()).isTrue();
+    // v3
+    assertThat(v3.getMin()).isEqualTo(VersionIdentifier.of("1.2"));
+    assertThat(v3.getMax()).isEqualTo(VersionIdentifier.of("3.4"));
+    assertThat(v3.isLeftExclusive()).isTrue();
+    assertThat(v3.isRightExclusive()).isFalse();
+  }
+
+  /**
+   * Test of {@link VersionRange#toString()}.
+   */
+  @Test
+  public void testToString() {
+
+    assertThat(VersionRange.of("1.2>3").toString()).isEqualTo("[1.2>3]");
+    assertThat(VersionRange.of("1>)").toString()).isEqualTo("[1>)");
+    assertThat(VersionRange.of("(1.2>3.4]").toString()).isEqualTo("(1.2>3.4]");
+  }
+
+  /**
+   * Test of {@link VersionRange#equals(Object)}.
+   */
+  @Test
+  public void testEquals() {
+
+    // assert
+    // equals
+    assertThat(VersionRange.of("1.2>")).isEqualTo(VersionRange.of("1.2>"));
+    assertThat(VersionRange.of("(1.2>")).isEqualTo(VersionRange.of("(1.2>)"));
+    assertThat(VersionRange.of("1.2>3")).isEqualTo(VersionRange.of("1.2>3"));
+    assertThat(VersionRange.of("[1.2>3")).isEqualTo(VersionRange.of("1.2>3]"));
+    assertThat(VersionRange.of(">3)")).isEqualTo(VersionRange.of(">3)"));
+    assertThat(VersionRange.of(">")).isEqualTo(VersionRange.of(">"));
+    assertThat(VersionRange.of("[>)")).isEqualTo(VersionRange.of("(>]"));
+    assertThat(VersionRange.of("8u302b08>11.0.14_9")).isEqualTo(VersionRange.of("8u302b08>11.0.14_9"));
+    // not equals
+    assertThat(VersionRange.of("1>")).isNotEqualTo(null);
+    assertThat(VersionRange.of("1.2>")).isNotEqualTo(VersionRange.of("1>"));
+    assertThat(VersionRange.of("1.2>3")).isNotEqualTo(VersionRange.of("1.2>"));
+    assertThat(VersionRange.of("(1.2>3")).isNotEqualTo(VersionRange.of("1.2.3>"));
+    assertThat(VersionRange.of("1.2>3")).isNotEqualTo(VersionRange.of(">3"));
+    assertThat(VersionRange.of("[1.2>")).isNotEqualTo(VersionRange.of("[1.2>3"));
+    assertThat(VersionRange.of(">3")).isNotEqualTo(VersionRange.of("1.2>3"));
+    assertThat(VersionRange.of(">3")).isNotEqualTo(VersionRange.of(">"));
+    assertThat(VersionRange.of(">")).isNotEqualTo(VersionRange.of(">3"));
+    assertThat(VersionRange.of("8u302b08>11.0.14_9")).isNotEqualTo(VersionRange.of("(8u302b08>11.0.14_9)"));
+    assertThat(VersionRange.of("8u302b08>11.0.14_9")).isNotEqualTo(VersionRange.of("8u302b08>11.0.15_9"));
+    assertThat(VersionRange.of("8u302b08>11.0.14_9")).isNotEqualTo(VersionRange.of("8u302b08>11.0.14_0"));
+  }
+
+  /**
+   * Test of {@link VersionRange#contains(VersionIdentifier)} and testing if a {@link VersionIdentifier version} is
+   * contained in the {@link VersionRange}.
+   */
+  @Test
+  public void testContains() {
+
+    // assert
+    assertThat(VersionRange.of("1.2>3.4").contains(VersionIdentifier.of("1.2"))).isTrue();
+    assertThat(VersionRange.of("1.2>3.4").contains(VersionIdentifier.of("2"))).isTrue();
+    assertThat(VersionRange.of("1.2>3.4").contains(VersionIdentifier.of("3.4"))).isTrue();
+
+    assertThat(VersionRange.of("(1.2>3.4)").contains(VersionIdentifier.of("1.2.1"))).isTrue();
+    assertThat(VersionRange.of("(1.2>3.4)").contains(VersionIdentifier.of("2"))).isTrue();
+    assertThat(VersionRange.of("(1.2>3.4)").contains(VersionIdentifier.of("3.3.9"))).isTrue();
+  }
+
+  /**
+   * Test of {@link VersionRange#contains(VersionIdentifier)} and testing if a {@link VersionIdentifier version} is not
+   * contained in the {@link VersionRange}.
+   */
+  @Test
+  public void testNotContains() {
+
+    // assert
+    assertThat(VersionRange.of("1.2>3.4").contains(VersionIdentifier.of("1.1"))).isFalse();
+    assertThat(VersionRange.of("1.2>3.4").contains(VersionIdentifier.of("3.4.1"))).isFalse();
+
+    assertThat(VersionRange.of("(1.2>3.4)").contains(VersionIdentifier.of("1.2"))).isFalse();
+    assertThat(VersionRange.of("(1.2>3.4)").contains(VersionIdentifier.of("3.4"))).isFalse();
+  }
+
+  /**
+   * Test of {@link VersionRange#compareTo(VersionRange)} and testing if versions are compared to be the same.
+   */
+  @Test
+  public void testCompareToIsSame() {
+
+    // assert
+    assertThat(VersionRange.of("1.2>3").compareTo(VersionRange.of("1.2>3"))).isEqualTo(0);
+    assertThat(VersionRange.of("(1.2>3").compareTo(VersionRange.of("(1.2>3"))).isEqualTo(0);
+    assertThat(VersionRange.of("[1.2>3]").compareTo(VersionRange.of("[1.2>4)"))).isEqualTo(0);
+  }
+
+  /**
+   * Test of {@link VersionRange#compareTo(VersionRange)} and testing if first version is smaller than second.
+   */
+  @Test
+  public void testCompareToIsSmaller() {
+
+    // assert
+    assertThat(VersionRange.of("1.1.2>3").compareTo(VersionRange.of("1.2>3"))).isEqualTo(-1);
+    assertThat(VersionRange.of("[1.2>3").compareTo(VersionRange.of("(1.2>4"))).isEqualTo(-1);
+  }
+
+  /**
+   * Test of {@link VersionRange#compareTo(VersionRange)} and testing if first version is larger than second.
+   */
+  @Test
+  public void testCompareToIsLarger() {
+
+    // assert
+    assertThat(VersionRange.of("1.2.1>3").compareTo(VersionRange.of("1.2>3"))).isEqualTo(1);
+    assertThat(VersionRange.of("(1.2>3").compareTo(VersionRange.of("1.2>4"))).isEqualTo(1);
+  }
+}
diff --git a/cli/src/test/resources/__files/java-17.0.6-linux-x64.tgz b/cli/src/test/resources/__files/java-17.0.6-linux-x64.tgz
new file mode 100644
index 000000000..9a592c991
Binary files /dev/null and b/cli/src/test/resources/__files/java-17.0.6-linux-x64.tgz differ
diff --git a/cli/src/test/resources/__files/java-17.0.6-windows-x64.zip b/cli/src/test/resources/__files/java-17.0.6-windows-x64.zip
new file mode 100644
index 000000000..eb4f3482e
Binary files /dev/null and b/cli/src/test/resources/__files/java-17.0.6-windows-x64.zip differ
diff --git a/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/linux_x64.sha256 b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/linux_x64.sha256
new file mode 100644
index 000000000..438dd2a03
--- /dev/null
+++ b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/linux_x64.sha256
@@ -0,0 +1 @@
+c2de7dfbd9f8faaa21b4cdd8518f826dd558c9ab24a0616b3ed28437a674a97b
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/linux_x64.urls b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/linux_x64.urls
new file mode 100644
index 000000000..42e8cf6cc
--- /dev/null
+++ b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/linux_x64.urls
@@ -0,0 +1 @@
+http://localhost:1111/installTest/linux
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/mac_x64.sha256 b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/mac_x64.sha256
new file mode 100644
index 000000000..438dd2a03
--- /dev/null
+++ b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/mac_x64.sha256
@@ -0,0 +1 @@
+c2de7dfbd9f8faaa21b4cdd8518f826dd558c9ab24a0616b3ed28437a674a97b
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/mac_x64.urls b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/mac_x64.urls
new file mode 100644
index 000000000..384fe79a4
--- /dev/null
+++ b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/mac_x64.urls
@@ -0,0 +1 @@
+http://localhost:1111/installTest/macOS
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/status.json b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/status.json
new file mode 100644
index 000000000..b58452d90
--- /dev/null
+++ b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/status.json
@@ -0,0 +1,20 @@
+{
+  "manual" : true,
+  "urls" : {
+    "-680270697" : {
+      "success" : {
+        "timestamp" : "2023-04-28T16:27:32.819394600Z"
+      }
+    },
+    "-896197542" : {
+      "success" : {
+        "timestamp" : "2023-04-28T16:27:47.658175400Z"
+      }
+    },
+    "-310367019" : {
+      "success" : {
+        "timestamp" : "2023-04-28T16:28:02.221367500Z"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/windows_x64.urls b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/windows_x64.urls
new file mode 100644
index 000000000..93010df08
--- /dev/null
+++ b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/windows_x64.urls
@@ -0,0 +1 @@
+http://localhost:1111/installTest/windows
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/windows_x64.urls.sha256 b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/windows_x64.urls.sha256
new file mode 100644
index 000000000..fe3cecaad
--- /dev/null
+++ b/cli/src/test/resources/ide-projects/_ide/urls/java/java/17.0.6/windows_x64.urls.sha256
@@ -0,0 +1 @@
+aa64bee5f7ba56fbbd60d766f3a652600f81571ae5e996804694c69bf731af8b
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/basic/conf/ide.properties b/cli/src/test/resources/ide-projects/basic/conf/ide.properties
index 7b2a83438..224a2cf25 100644
--- a/cli/src/test/resources/ide-projects/basic/conf/ide.properties
+++ b/cli/src/test/resources/ide-projects/basic/conf/ide.properties
@@ -4,4 +4,13 @@
 
 M2_REPO=~/.m2/repository
 
-SOME=some-${UNDEFINED}
\ No newline at end of file
+SOME=some-${UNDEFINED}
+
+TEST_ARGS1=${TEST_ARGS1} conf1
+TEST_ARGS2=${TEST_ARGS2} conf2
+TEST_ARGS5=${TEST_ARGS5} conf5
+TEST_ARGS6=${TEST_ARGS6} conf6
+TEST_ARGS7=${TEST_ARGS7} conf7
+TEST_ARGS8=${TEST_ARGS8} conf8
+TEST_ARGSa=${TEST_ARGS1} ${TEST_ARGS3} confa
+TEST_ARGSc=${TEST_ARGSc} confc
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/basic/home/.ide/ide.properties b/cli/src/test/resources/ide-projects/basic/home/.ide/ide.properties
index a61d5066f..ec0c3e7f6 100644
--- a/cli/src/test/resources/ide-projects/basic/home/.ide/ide.properties
+++ b/cli/src/test/resources/ide-projects/basic/home/.ide/ide.properties
@@ -3,4 +3,13 @@
 #********************************************************************************
 
 DOCKER_EDITION=docker
-FOO=foo-${BAR}
\ No newline at end of file
+FOO=foo-${BAR}
+
+TEST_ARGS1=${TEST_ARGS1} user1
+TEST_ARGS2=${TEST_ARGS2} user2
+TEST_ARGS3=${TEST_ARGS3} user3
+TEST_ARGS7=user7
+TEST_ARGS10=user10
+TEST_ARGSb=userb
+TEST_ARGSc=${TEST_ARGS1} userc
+TEST_ARGSd=${TEST_ARGS1} userd
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/basic/settings/ide.properties b/cli/src/test/resources/ide-projects/basic/settings/ide.properties
index bfa447f6a..c80f1e604 100644
--- a/cli/src/test/resources/ide-projects/basic/settings/ide.properties
+++ b/cli/src/test/resources/ide-projects/basic/settings/ide.properties
@@ -9,4 +9,14 @@ INTELLIJ_EDITION=ultimate
 
 IDE_TOOLS=mvn,eclipse
 
-BAR=bar-${SOME}
\ No newline at end of file
+BAR=bar-${SOME}
+
+TEST_ARGS1=${TEST_ARGS1} settings1
+TEST_ARGS4=${TEST_ARGS4} settings4
+TEST_ARGS5=${TEST_ARGS5} settings5
+TEST_ARGS6=${TEST_ARGS6} settings6
+TEST_ARGS7=${TEST_ARGS7} settings7
+TEST_ARGS8=settings8
+TEST_ARGS9=settings9
+TEST_ARGSb=${TEST_ARGS10} settingsb ${TEST_ARGSa} ${TEST_ARGSb}
+TEST_ARGSc=${TEST_ARGSc} settingsc
\ No newline at end of file
diff --git a/cli/src/test/resources/ide-projects/basic/workspaces/foo-test/ide.properties b/cli/src/test/resources/ide-projects/basic/workspaces/foo-test/ide.properties
new file mode 100644
index 000000000..fefd6bede
--- /dev/null
+++ b/cli/src/test/resources/ide-projects/basic/workspaces/foo-test/ide.properties
@@ -0,0 +1,12 @@
+#********************************************************************************
+# Type of {@link EnvironmentVariables} from the
+# {@link com.devonfw.tools.ide.context.IdeContext#getWorkspacePath() workspace directory}.
+#********************************************************************************
+TEST_ARGS1=${TEST_ARGS1} workspace1
+TEST_ARGS3=${TEST_ARGS3} workspace3
+TEST_ARGS6=${TEST_ARGS6} workspace6
+TEST_ARGS7=${TEST_ARGS7} workspace7
+TEST_ARGS8=${TEST_ARGS8} workspace8
+TEST_ARGS9=${TEST_ARGS9} workspace9
+TEST_ARGS10=${TEST_ARGS10} workspace10
+TEST_ARGSd=${TEST_ARGSd} workspaced
\ No newline at end of file