2
105kviews
Explain difference between for, while and do while loop.
1 Answer
written 8.2 years ago by | modified 20 months ago by |
Sr. No | For loop | While loop | Do while loop |
---|---|---|---|
1. | Syntax: For(initialization; condition;updating), { . Statements; } | Syntax: While(condition), { . Statements; . } | Syntax: Do { . Statements; } While(condition); |
2. | It is known as entry controlled loop | It is known as entry controlled loop. | It is known as exit controlled loop. |
3. | If the condition is not true first time than control will never enter in a loop | If the condition is not true first time than control will never enter in a loop. | Even if the condition is not true for the first time the control will enter in a loop. |
4. | There is no semicolon; after the condition in the syntax of the for loop. | There is no semicolon; after the condition in the syntax of the while loop. | There is semicolon; after the condition in the syntax of the do while loop. |
5. | Initialization and updating is the part of the syntax. | Initialization and updating is not the part of the syntax. | Initialization and updating is not the part of the syntax |
6. | For loop is use when we know the number of iterations means where the loop will terminate. | While loop is use when we don't know the number of iterations means where the loop will terminate. | Do while loop is use when we don't know the number of iterations means where the loop will terminate. |