diff --git a/contents/tutorial/coding-java-junit/README.md b/contents/tutorial/coding-java-junit/README.md
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index 00000000..eb0ca0c0
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+++ b/contents/tutorial/coding-java-junit/README.md
@@ -0,0 +1,10 @@
+整数 `x` と `y` を引数で受け取り、足し算した値を戻り値として返す `add(int x, int y)` メソッドを実装してください。
+
+
+## 例
+
+``` java
+add(2, 3)  // 5
+add(15, 8)  // 23
+add(65, 94)  // 159
+```
diff --git a/contents/tutorial/coding-java-junit/build.gradle b/contents/tutorial/coding-java-junit/build.gradle
new file mode 100644
index 00000000..7a515980
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+++ b/contents/tutorial/coding-java-junit/build.gradle
@@ -0,0 +1,26 @@
+apply plugin: 'java'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation 'org.junit.jupiter:junit-jupiter:5.7.0'
+    testImplementation 'org.hamcrest:hamcrest:2.1'
+}
+
+test {
+    useJUnitPlatform()
+
+    testLogging {
+        showStandardStreams true
+        events 'failed'
+        exceptionFormat 'full'
+    }
+
+    def index = 1
+    afterTest { desc, result ->
+        def str = result.resultType == org.gradle.api.tasks.testing.TestResult.ResultType.SUCCESS ? "ok" : "not ok"
+        logger.quiet "${str} ${index++} ${desc.displayName}"
+    }
+}
diff --git a/contents/tutorial/coding-java-junit/solution.md b/contents/tutorial/coding-java-junit/solution.md
new file mode 100644
index 00000000..8bc65375
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+++ b/contents/tutorial/coding-java-junit/solution.md
@@ -0,0 +1 @@
+`x + y`を返すように修正します
diff --git a/contents/tutorial/coding-java-junit/solution/App.java b/contents/tutorial/coding-java-junit/solution/App.java
new file mode 100644
index 00000000..82bd02ba
--- /dev/null
+++ b/contents/tutorial/coding-java-junit/solution/App.java
@@ -0,0 +1,5 @@
+public class App {
+  public static int add(int x, int y) {
+    return x + y;
+  }
+}
diff --git a/contents/tutorial/coding-java-junit/src/main/java/App.java b/contents/tutorial/coding-java-junit/src/main/java/App.java
new file mode 100644
index 00000000..f318b3c4
--- /dev/null
+++ b/contents/tutorial/coding-java-junit/src/main/java/App.java
@@ -0,0 +1,5 @@
+public class App {
+  public static int add(int x, int y) {
+    return -1;
+  }
+}
diff --git a/contents/tutorial/coding-java-junit/src/test/java/AppTest.java b/contents/tutorial/coding-java-junit/src/test/java/AppTest.java
new file mode 100644
index 00000000..d40b6077
--- /dev/null
+++ b/contents/tutorial/coding-java-junit/src/test/java/AppTest.java
@@ -0,0 +1,38 @@
+import org.junit.jupiter.api.Timeout;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.DisplayName;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.CoreMatchers.is;
+
+@Timeout(5)
+public class AppTest {
+  @Test
+  @DisplayName("[基本実装] 入力が 2 と 3 のとき、期待された出力結果が得られる")
+  public void test_2_3() {
+    int[] input = {2, 3};
+    __testOutput(input, 5);
+  }
+
+  @Test
+  @DisplayName("[基本実装] 入力が 15 と 8 のとき、期待された出力結果が得られる")
+  public void test_15_8() {
+    int[] input = {15, 8};
+    __testOutput(input, 23);
+  }
+
+  @Test
+  @DisplayName("[基本実装] 入力が 65 と 94 のとき、期待された出力結果が得られる")
+  public void test_65_94() {
+    int[] input = {65, 94};
+    __testOutput(input, 159);
+  }
+
+  private void __testOutput(int[] input, int expected) {
+    int x = input[0];
+    int y = input[1];
+    int result = Util.runApp(x, y);
+
+    assertThat(result, is(expected));
+  }
+}
diff --git a/contents/tutorial/coding-java-junit/src/test/java/Util.java b/contents/tutorial/coding-java-junit/src/test/java/Util.java
new file mode 100644
index 00000000..80bee2e8
--- /dev/null
+++ b/contents/tutorial/coding-java-junit/src/test/java/Util.java
@@ -0,0 +1,35 @@
+import static org.junit.jupiter.api.Assertions.fail;
+
+public class Util {
+  private static long TIMEOUT = 5_000;
+
+  public static int runApp(int x, int y) {
+    AppThread th = new AppThread(x, y);
+    try {
+      th.start();
+      th.join(TIMEOUT);
+    } catch (InterruptedException e) {
+      fail("Timeout " + TIMEOUT + "ms");
+    }
+    return th.getResult();
+  }
+
+  private static class AppThread extends Thread {
+    private final int x;
+    private final int y;
+    private int result = -1;
+
+    AppThread(int x, int y) {
+      this.x = x;
+      this.y = y;
+    }
+
+    int getResult() {
+      return this.result;
+    }
+
+    public void run() {
+      this.result = App.add(x, y);
+    }
+  }
+}
diff --git a/contents/tutorial/coding-java-junit/track.yml b/contents/tutorial/coding-java-junit/track.yml
new file mode 100644
index 00000000..cf9dbace
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+++ b/contents/tutorial/coding-java-junit/track.yml
@@ -0,0 +1,22 @@
+type: coding
+main: src/main/java/App.java
+editable:
+  - src/main/java/App.java
+readonly:
+  - src/test/java/AppTest.java
+  - src/test/java/Util.java
+  - build.gradle
+build: gradle compileTest -q
+test: gradle test --warning-mode=none
+envConf:
+  imageName: java
+  cacheDirs:
+    - /root/.m2
+    - /root/.gradle
+solutions:
+  - src/main/java/App.java:solution/App.java
+testcases:
+  open: 3
+  secret: 0
+evaluationPoint:
+  基本実装: 基本的なテストケースにおいて、正答が出力できる