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Add machines #2201

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13 changes: 12 additions & 1 deletion src/main/java/core/basesyntax/MainApp.java
Original file line number Diff line number Diff line change
@@ -1,5 +1,16 @@
package core.basesyntax;

public class MainApp {
import core.basesyntax.machines.Bulldozer;
import core.basesyntax.machines.Excavator;
import core.basesyntax.machines.Machine;
import core.basesyntax.machines.Truck;

public class MainApp {
static Machine[] machines = new Machine[]{new Bulldozer(), new Excavator(), new Truck()};
public static void main(String[] args) {
for (int i = 0; i < 3; i++){

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Consider using machines.length instead of hardcoding the loop limit to 3. This will make the code more flexible and easier to maintain if the number of machines changes in the future.

machines[i].doWork();
machines[i].stopWork();
}
}
}
13 changes: 13 additions & 0 deletions src/main/java/core/basesyntax/machines/Bulldozer.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
package core.basesyntax.machines;

public class Bulldozer extends Machine {
@Override
public void doWork() {
System.out.println("Bulldozer is working");
}

@Override
public void stopWork() {
System.out.println("Bulldozer stop");
}
}
13 changes: 13 additions & 0 deletions src/main/java/core/basesyntax/machines/Excavator.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
package core.basesyntax.machines;

public class Excavator extends Machine {
@Override
public void doWork() {
System.out.println("Excavator is work");

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There is a grammatical error in the output string. Consider changing "Excavator is work" to "Excavator is working" for consistency and correctness.

}

@Override
public void stopWork() {
System.out.println("Excavator stop");
}
}
6 changes: 6 additions & 0 deletions src/main/java/core/basesyntax/machines/Machine.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
package core.basesyntax.machines;

public abstract class Machine {
public abstract void doWork();
public abstract void stopWork();
}
14 changes: 14 additions & 0 deletions src/main/java/core/basesyntax/machines/Truck.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
package core.basesyntax.machines;

public class Truck extends Machine {

@Override
public void doWork() {
System.out.println("Truck is working");
}

@Override
public void stopWork() {
System.out.println("Truck stop");
}
}
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