Tag: technology

public class Name { private String first, last; public Name(String first, String last) { this.first = first; this.last = last; } public boolean equals(Object o) { if (!(o instanceof Name)) return false; Name n = (Name)o; return n.first.equals(first) && n.last.equals(last); } public static void main(String[] args) { Set s = new HashSet(); s.add(new Name("Donald", "Duck")); System.out.println(s.contains(new Name("Donald", "Duck"))); } } What is the output?

interface my_interface{ public void show(); } public class test08 { public static void main(String[] args) { my_interface mi = new B(); mi.show(); } } class A implements my_interface{ public void show(){ System.out.println("This is implemented method "); } } class B extends A{ public void show(){ System.out.println("This is overrided method "); } } What is the output

public class test08 { public static void main(String[] args) { try{ A a = new B(); a.show(); }catch (Exception e){ } } }class A{ void show() throws FileNotFoundException{ System.out.println("This is the super class"); }}class B extends A{ void show() throws Exception{ System.out.println("This is the inherited class"); }}What will be the output?