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Java Basic Interview Programming Questions Part:1

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instanceof java

Posts: 576
Nickname: instanceof
Registered: Jan, 2015

instanceof java is a java related one.
Java Basic Interview Programming Questions Part:1 Posted: Feb 6, 2016 11:51 PM
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This post originated from an RSS feed registered with Java Buzz by instanceof java.
Original Post: Java Basic Interview Programming Questions Part:1
Feed Title: Instance Of Java
Feed URL: http://feeds.feedburner.com/blogspot/TXghwE
Feed Description: Instance of Java. A place where you can learn java in simple way each and every topic covered with many points and sample programs. 		Latest Java Buzz Posts
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1.What will be the Output of this program.


  1. public class Test1{
  2.  
  3. Test1(int i){
  4.  
  5. System.out.println("Test1 Constructor "+i);
  6.  
  7.  } 
  8. }

  1. public class Test2{
  2.  
  3. Test1 t1= new Test1(10);
  4.  
  5. Test2(int i){
  6.  
  7.  System.out.println("Test2 Constructor "+i);
  8.  
  9. } 

  11. public static void main(String[] args) {
  12.  
  13.         Test2 t2= new Test2(5);
  14.  
  15.     }
  16. }


Click for Output





2.What will be the Output of this program.

  1. public class A{
  2.  
  3. A(){
  4.  
  5.   System.out.println("A Class Constructor ");
  6.  
  7. }
  8.  
  9. }

  1. public class B extends A{
  2.  
  3. B(){
  4.  
  5.   System.out.println("B Class Constructor ");
  6.  
  7. }
  8. public static void main(String[] args) {
  9.  
  10.         B ob= new B();
  11.  
  12.     }
  13. }


Click for Output



3.What will be the Output of this program.

  1. public class  A{
  2.  
  3. A(){

  5. this(0);
  6. System.out.println("Hi ");
  7.  
  8. } 
  9.  
  10. A(int x){

  12. this(0,0);
  13. System.out.println("Hello");
  14.  
  15. }
  16.   
  17. A(int x, int y){
  18.  
  19. System.out.println("How are you");
  20.  
  21. }
  22. public static void main(String[] args) {
  23.  
  24.         A ob= new A();
  25.  
  26.     }
  27. }


Click for Output


Read: Java Basic Interview Programming Questions Part:1

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