Inheritance Day 3

// Type error if there is an erro

A obj1 = new A();

   obj1.setX(10);

   System.out.println(obj1);

// type error if there is an error

A obj1 = new A();

obj1.setY(13);

System.out.println(obj1);

// type error if there is an error

A obj1 = new A();

obj1.sayHi();

How long is an Olympic swimming pool (in meters)?

• 25

• 50

• 75

• 100

// type error if there is an error

B obj2 = new A();

System.out.println(obj2);

// if there is an error type error

A obj3 = new B();

obj3.setX(15);

System.out.println(obj3);

// type error if there is an error

A obj3 = new B();

obj3.setY(20);

System.out.println(obj3);

Which country do cities of Perth, Adelade & Brisbane belong to?

• Spain

• Germany

• England

• Australia

// type error if there is an error

A obj3 = new B();

obj3.sayHi();

// type error if there is an error

A obj3 = new B();

System.out.println(obj3);