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created classes of inheritance #2115

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13 changes: 13 additions & 0 deletions src/main/java/core/basesyntax/Bulldozer.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
package core.basesyntax;

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

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

public class Excavator extends Machine {
@Override
public void doWork() {
System.out.println("Excavator is digging the ground.");
}

@Override
public void stopWork() {
System.out.println("Excavator stopped digging the ground.");
}
}
7 changes: 7 additions & 0 deletions src/main/java/core/basesyntax/Machine.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
package core.basesyntax;

public abstract class Machine {
public abstract void doWork();

public abstract void stopWork();
}
8 changes: 8 additions & 0 deletions src/main/java/core/basesyntax/MainApp.java
Original file line number Diff line number Diff line change
@@ -1,5 +1,13 @@
package core.basesyntax;

public class MainApp {
public static void main(String[] args) {
Machine[] machines = {new Truck(), new Bulldozer(), new Excavator()};

for (Machine machine : machines) {
machine.doWork();
machine.stopWork();
}
}

}
13 changes: 13 additions & 0 deletions src/main/java/core/basesyntax/Truck.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
package core.basesyntax;

class Truck extends Machine {
@Override
public void doWork() {
System.out.println("Truck is transporting goods.");
}

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