gs gs111 Inheritance (Using Java) - Single Level Inheritance - Quiz No.2

 class Base { String s = "NVAEducation"; } class Derived extends Base { Integer y = new Integer(47); void display() { System.out.println(s.getClass().getSuperclass()); System.out.println(y.getClass().getSuperclass()); } } public class ClassName1 { public static void main(String[] args) { Derived a = new Derived(); a.display(); } }

 class Base { void print() { System.out.println("Base"); } } class Derived extends Base { void print() { super.print(); System.out.println("Derived"); } } public class Super { public static void main(String[] args) { Derived a = new Derived(); a.print(); } }

 class Base { int a = 37; } class Derived extends Base { int b = 45; void calculate() { System.out.println(a*b); } } public class Multiply { public static void main(String[] args) { Derived a = new Derived(); a.calculate(); } }

 import java.util.*; class Base { LinkedList l = new LinkedList(); void sum() { int sum=0; Iterator i = l.iterator(); while(i.hasNext()) sum+=(int)i.next(); System.out.println(sum); } } class Derived extends Base { void add(int a) { l.add(a); } } public class Sum { public static void main(String[] args) { Derived a = new Derived(); a.add(31); a.add(36); a.add(28); a.add(51); a.sum(); } }

 class Base { String s = "San"; } class Derived extends Base { String s = "foundry"; void print() { System.out.println(super.s+s); } } public class NVAEducation { public static void main(String[] args) { Derived a = new Derived(); a.print(); } }