Control Statements in C

Control Statements in C

When working there are several instances when we need to make decisions .

Similarly, when writing a program code one may come to point when a decision has to be made .

C allows decision to be made by evaluating a given expression as true or false. Such an expression involves the use of  logical and relational operators . Depending on  the outcome , program execution accordingly branches out .

Types of control statements:

Control statements are divided in to 3 types,

1.   Decision Making or Conditional Statements.

2.   Looping Statements.

3.   Jumping Statements.

Decision Making or Conditional Statements:

According to the conditions statements will be executed.

C supports the following decision making statements,

·       if or simple if statement.

·       if else statement.

·       else if ladder statement.

·       Nested if statement.

·       switch case statement.

Looping Statements:

Used to execute a group of statements repeatedly  until the condition is satisfied.

C supports the following looping statements,

·       while loop (Entry control loop).

·       do while loop(Exit control loop).

·       for loop.

Jumping Statements:

In C programming, during execution of a loop it becomes desirable to skip a part of loop or exit the loop as soon as certain conditions occurs.

There are four Jumping statements in C and they are classified in to two categories as follows:

·       Conditional Jumping statements.

·       Unconditional Jumping statements.

Conditional Jumping statements:

·       break statement.

·       continue statement.

Unconditional Jumping statements:

·       return statement.

·       goto statement.

Let’s discuss about each statements in our upcoming posts.

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