Java Interview programming questions on this keyword

• Lets discuss some interesting programs on this keyword.
• Now its time to practice some programs on this keyword. 
• Try to guess the output of the following java programming questions on this keyword.
• If you want explanations for all the programs please go through this keyword interview questions on java 
• Some interesting java programming interview questions and answers for freshers and experienced.

Java Quiz on this keyword part #1

Program #1: Java interview programming question on this keyword.

1. package thiskeywordinterviewprograms.java;
2. public class ThisDemo {
3.  
4.     int a;
5.     int b;
6.     
7. ThisDemo(int a, int b){
8.  
9.     a=a;
10.     b=b;
11.         
12. }
13.  
14. public static void main(String[] args) {
15.         
16.     ThisDemo obj = new ThisDemo(10, 20);
17.         
18.      System.out.println(obj.a);
19.      System.out.println(obj.b);
20. 
    
21. }
22.  
23. }

1. 0
2. 0

Program #2: Java interview programming question on this keyword.

1. package thiskeywordinterviewprograms.java;
2. public class ThisDemo {
3.  
4.     int a;
5.     int b;
6.     
7. ThisDemo(int a, int b){
8.  
9.     this.a=a;
10.     this.b=b;
11.         
12. }
13.  
14. public static void main(String[] args) {
15.         
16.     ThisDemo obj = new ThisDemo(10, 20);
17.         
18.      System.out.println(obj.a);
19.      System.out.println(obj.b);
20. 
    
21. }
22.  
23. }

1. 10
2. 20

Program #3: Java Interview programming example on this keyword.

• What will be the output of the below program

1. package thiskeywordinterviewprograms.java;
2. public class ThisDemo {
3.  
4.     int a;
5.     int b;
6.     
7. ThisDemo(int a, int b){
8.  
9.     this.a=a;
10.     this.b=b;
11.         
12. }
13.  
14. public static void main(String[] args) {
15.         
16.     ThisDemo obj = new ThisDemo();
17.         
18.      System.out.println(obj.a);
19.      System.out.println(obj.b);
20. 
    
21. }
22.  
23. }

Program #4: Java interview programming question on this keyword.

1. Zero argument constructor called.
2. Two argument constructor called.
3. x=1
4. y=2

Interview Programming questions on this keyword part 2