Decision Control Statements in C Language
Decision statement दी गई condition की जांच करता है और फिर अपने sub block को execute करता है। decision statement किसी दी गई condition के True या False के बाद execute किए जाने वाले statement को तय करता है।
Types of decision statements:
- If statement
- If-else statement
- Nested if-else statement
- Break statement
- Continue statement
- Goto statement
- Switch() statement
- Nested switch ()case
- Switch() case and Nested if
| Statement | Syntax |
| If statement | if(condition) statement; |
| If-else statement | If (condition) |
| { | |
| Statement 1; | |
| Statement 2; | |
| } | |
| else | |
| { | |
| Statement 3; | |
| Statement 4; | |
| } | |
| Nested if-else statement | If (condition) |
| { | |
| Statement 1; | |
| Statement 2; | |
| } | |
| Else if (condition) | |
| { | |
| Statement 3; | |
| Statement 4; | |
| } | |
| Else | |
| { | |
| Statement 5; | |
| Statement 6; | |
| } | |
| Break statement | Break; |
| Continue statement | Continue; |
| Goto statement | goto label; |
| Switch() statement | Switch (variable or expression) |
| { | |
| Case constant A: | |
| Statement; | |
| Break; | |
| Case constant B: | |
| Statement; | |
| Break; | |
| Default: | |
| Statement; | |
| } |
LOOP CONTROL STATEMENTS
C में loop control statements तब तक looping ऑपरेशन करने के लिए उपयोग किए जाते हैं जब तक कि दी गई condition सही न हो। एक बार condition गलत होने के बाद control loop statement से बाहर आ जाता है।
Types of Loop Control Statements:
- For loop
- Nested for loops
- While loop
- do-while loop
- do-while statement with a while loop
| Statement | Syntax |
| For loop | For(initialize counter; test condition; re-evaluation parameter)
{ Statement; Statement; } |
| Nested for loop | for(initialize counter; test condition; re-evaluation parameter)
{ Statement; Statement; for (initialize counter; test condition; re-evaluation parameter) Statement; Statement; } } |
| While loop | While (test condition)
{ Body of the loop } |
| Do while loop | do
{ Statement; } While(condition); |
| Do-while with while loop | Do while(condition)
{ Statement; } While (condition); |
