Core Java[Variable declaration and initialization]

variable declaration and initialization

• we can declare and initialize a variable as shown below,

Type1

• datatype var=value;

Example

• char ch='4';

Type2

• datatype varname;

• varname=value;

Example

• char ch;
• ch='4';

Declare and initialize character variable

• char x='a';

Declare and initialize byte variable

• byte x=10;

Declare and initialize short variable

• short x=20;

Declare and initialize int variable

• int x=40;

Declare and initialize long variable

• long x=50;

Declare and initialize float variable

• float x=10.5f;

Declare and initialize double variable

• double x=10.5;

Declare and initialize boolean variable

• boolean x=true;

Declare and initialize String variable

• String x="manohar";