It is a keyword which specifies what type of constants can be stared in a variable.

Example:

    int a;
    float b; 
    char p;    

Whenever users declare variables, space is reserved in the memory. By default, it contains an unpredictable value known as garbage value.

Initialization Statement:-

To avoid garbage values and to assign any desired values which declaring a variables user can use this statement

Assignment statement: (calculations)

It is used to assign a constant, value of variable, result of an expression into another variable.

Example:

    a=79;
    b=-35;
    z=x+y
    x=y;