Given the content of Operator.java, EngineOperator.java, and Engine.java files:

Operator.java:
public abstract class Operator {
protected void turnON();
protected void turnOFF();
}

EngineOperator.java:
public class EngineOperator extends Operator{
public final void turnON() { System.out.print("ON "); }
public final void turnOFF() { System.out.println("OFF"); }
}

Engine.java:
public class Engine{
Operator m = new EngineOperator();
public void operate() {
m.turnON();
m.turnOFF();
}
}

What is the result?

Question

Given the content of Operator.java, EngineOperator.java, and Engine.java files:

Operator.java:
public abstract class Operator {
 protected void turnON();
 protected void turnOFF();
}

EngineOperator.java:
public class EngineOperator extends Operator{
 public final void turnON() { System.out.print("ON "); }
 public final void turnOFF() { System.out.println("OFF"); }
}

Engine.java:
public class Engine{
 Operator m = new EngineOperator();
 public void operate() {
 m.turnON();
 m.turnOFF();
 }
}

What is the result?

Accepted Answer

C. The Operator.java file fails to compile.

Answer

A. The Engine.java file fails to compile.

Answer

B. The EngineOperator.java file fails to compile.

Answer

D. ON OFF

Given the content of Operator.java, EngineOperator.java, and Engine.java files: Operator.java: public abstract class Operator { protected void turnON(); protected void turnOFF(); }…

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