//Lamp class is created.

//The class has an instance variable `isOn` and three methods turnOn(), turnOff() and displayLightStatus().

class Lamp {

boolean isOn;

void turnOn() {

isOn = true;

}

void turnOff() {

isOn = false;

}

void displayLightStatus() {

System.out.println("Light on? " + isOn);

}

}

class ClassObjectsExample {

public static void main(String[] args) {

Lamp l1 = new switch(), l2 = new switch();

l1.turnOn();

l2.turnOff();

l1.displayLightStatus();

l2.displayLightStatus();

}

}

/*The program on running, the output will be:

Light on? true

Light on? false*/