What are data types in Java?

Primitive Data Types Data TypeSizeDescriptionbyte1 byteStores whole numbers from -128 to 127short2 bytesStores whole numbers from -32,768 to 32,767int4 bytesStores whole numbers from -2,147,483,648 to 2,147,483,647long8 bytesStores whole numbers from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807Java Data Types – W3Schools www.w3schools.com › java › java_data_types

Data Types in Java

The Object data type can point to data of any data type , including any object instance your application recognizes. Use Object when you do not know at compile time what data type the variable might point to. The default value of Object is Nothing (a null reference).