Java – Data Type

Organized By: Vinay Arora

Assistant Professor

CSED, Thapar University

www.slideshare.net/aroravinay

Vinay AroraCSED

Data type/s for the variable/s

Variables are nothing but reserved memory locations to store values.

This means that when you create a variable you reserve some space in memory.

Based on the data type of a variable, the operating system allocates memory and decides what can be stored in the reserved memory.

There are two data types available in Java:Primitive Data TypesReference/Object Data Types

Vinay AroraCSED

Primitive Data Types

There are eight primitive data types supported by Java. Primitive data types are predefined by the language and named by a keyword.

Byte Short Int Long Float Double Boolean Char

Vinay AroraCSED

Primitive Data Types (Conti…)

Vinay AroraCSED

Primitive Data Types (Conti…)

Vinay AroraCSED

Primitive Data Types (Conti…)

Vinay AroraCSED

Primitive Data Types (Conti…)

Vinay AroraCSED

Primitive Data Types (Conti…)

Vinay AroraCSED

Reference Data Type

Vinay AroraCSED

Java Literals

Vinay AroraCSED

Thnx…