Excercise between W1 and W3

1. Exercise-1: Echoing words in Java
2. Exercise 2: Inputting and Echoing integer and string entered by user
3. Exercise-3: How to use If Statement in Java Programming
4. Exercise-4: How to Use If-ElseStatement in Java Programming
5. Exercise-5: Using Multi If and Else Statement in Java Programming
6. Exercise-6: Write a program which will represent the entire relational operators in Java Programming. 
7. Exercise-7: Write a program to demonstrate the logical operators in Java. 
8.  Excercise-8: Write a Program Using Conditional Operator.
9.  Exercise-9: Java Exercise of IF and SWITCH
10.  Exercise-10: Java Exercise of While, Do-While and For Loop
11. Exercise-11: Java Misc. Excercise(1-10)
12.  Exercise-11: Java Misc. Exercise(11-19)
13. Exercise-11: Java Misc. Exercise(20-25)