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- // Multilevel
- class A{
- int a=5;
- }
- class B extends A{
- int b = 5;
- }
- class C extends B{
- void sum(){
- System.out.println(a+b);
- }
- }
- public class Main
- {
- public static void main(String[] args) {
- C obj = new C();
- obj.sum();
- }
- }
- // Output : 10
- // Hierarchical Inheritance
- class A{
- int a=5,b=6;
- }
- class B extends A{
- void mul(){
- System.out.println("multiply "+a*b);
- }
- }
- class C extends A{
- void sum(){
- System.out.println("Addition "+a+b);
- }
- }
- public class Main
- {
- public static void main(String[] args) {
- B obj_b = new B();
- C obj_c = new C();
- obj_b.mul();
- obj_c.sum();
- }
- }
- // Output : multiply 30
- // Addition 11
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