Decision Control Statements in C Language

Decision Control Statements in C Language

The Decision statement checks the given condition and then executes its sub block. The decision statement determines the statement to be executed after True or False of a given condition.

Types if decision statement:

1. If statement
2. If-else statement
3. Nested if-else statement
4. Break statement
5. Continue statement
6. Goto statement
7. Switch() statement
8. Nested switch ()case
9. 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

The loop control statements in C are used to perform looping operations until the given condition is true. Once the condition is false, the control loop exits the statement.

Types

1. For loop
2. Nested for loops
3. While loop
4. do while loop
5. do-while statement with 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);