Is Loop Useful in Programme? tccicomputercoaching.com

Loops are used to repeat a block of code. Being able to have your program repeatedly execute a block of code is one of the most basic but useful tasks in programming likeC ,C++ , Java , Python , .Net etc.

There are 3 sections of Loop:

• Variable initialization.( e.g int x=0; )
• condition( e.g while( x<=10) )
• Variable increment or decrement ( x++ or x-- or x=x+2 )

Types of Loop:

1. Entry Control Loop:

a. For Loop

for ( variable initialization; condition; variable update ) {
Code to execute while the condition is true
}

b. While Loop

variable initialization ;

while (condition)

{

 statements ;

 variable update; 

}

2. Exit Control Loop:

Do - While Loop

variable initialization ;

Do

{         statements ;

          variable updates; 

} while (condition);

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