gs gs111 Inheritance (Using Java) - Hierarchical Inheritance - Quiz No.1

 class A { public void functionA() { System.out.println("Class A"); } } class B extends A { public void functionB() { System.out.println("Class B"); } } class C extends A { public void functionC() { System.out.println("Class C"); } } public class Hierarchical1 { public static void main(String args[]) { B obj1 = new B(); C obj2 = new C(); obj1.functionA(); obj2.functionA(); } }

 class X { public void A() { System.out.println("123"); } } class Y extends X { public void B() { System.out.println("456"); } } class Z extends X { public void C() { System.out.println("789"); } } public class Hierarchical2 { public static void main(String[] args) { Y ob1 = new Y(); Z ob2 = new Z(); ob1.A(); ob2.C(); } } 

 class A { public void X() { System.out.print("Welcome"); } } class B extends A { public void Y() { System.out.print(" to "); } } class C extends A { public void Z() { System.out.print("NVAEducation"); } } public class Display { public static void main(String[] args) { B obj1 = new B(); C obj2 = new C(); obj1.X(); obj1.Y(); obj2.Z(); } } 

 class A { public void X() { System.out.print("Rank-"); } } class B extends A { public void Y() { System.out.print("1"); } } class C extends A { public void Z() { System.out.print("2"); } } class D extends A { public void Z() { System.out.print("3"); } } public class Numbers { public static void main(String[] args) { B obj1 = new B(); C obj2 = new C(); D obj3 = new D(); obj1.X(); obj3.Z();  } } 

 class X { public void A() { System.out.print("#"); } } class Y extends X { public void B() { System.out.print("@"); } } class Z extends X { public void C() { System.out.print("&"); } } public class Symbols { public static void main(String[] args) { Y ob1 = new Y(); Z ob2 = new Z(); ob1.B(); ob2.C(); ob2.A(); } } 

 class A { static int a =5; } class B extends A { B() { A.a = 10; } } class C extends A { C() { A.a = 15; } } class D extends A { D() { A.a = 20; } } public class DotOperator { public static void main(String[] args) { B obj1 = new B(); C obj2 = new C(); D obj3 = new D();  System.out.println(A.a); } } 

 final class A { int a; A() { a=5; } } class B extends A { int a; B() { A obj = new A(); a = obj.a; } } class C extends A { int a; C() { A obj = new A(); a = obj.a; } } class D extends A { int a; D() { A obj = new A(); a = obj.a; } } public class Hierarchy { public static void main(String[] args) { B obj1 = new B(); C obj2 = new C(); D obj3 = new D(); A obj = new B(); System.out.println(obj.a); } }

 class A { protected void func() { System.out.println("Class A"); } } class B extends A { public void func() { System.out.println("Class B"); } } class C extends A { public void func() { System.out.println("Class C"); } } public class Display1 { public static void main(String[] args) { B obj1 = new B(); A obj2 = new C(); obj1.func(); obj2.func(); } }

 class A { int a = 10; } class B extends A { int a = super.a; } class C extends A { int c = a+10; } public class Add { public static void main(String[] args) { B obj1 = new B(); C obj2 = new C(); System.out.println(obj1.a + obj2.c); } }

 class A { A() { System.out.println("Class A"); } } class B extends A { B() { System.out.println("Class B"); } } class C extends A { C() { System.out.println("Class C"); } } public class MultipleObjects { public static void main(String[] args) { B obj1 = new B(); C obj2 = new C(); } }