Thursday 26 April 2018

What is Variable?

What is Variable?

Variables are location in memory where a program keeps data when a program start execution with takes I/P form the user & keep that’s I/P into the variable.

Variable Declaration:

As the programmer you need to define statement in the program so that Run Time Environment can allocate memory location to the program to store data.
These statements are called variable declaration statements.

Datatype variable_name;
int num;
float avg;

Variable Initialization:

The process to store a value in a variable for the first time is known as variable initialization.
int num=30;

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