Data types are of 2 types primitive type and reference type. Primitive types include byte, short, int, long, char (which holds one character), float, double (float and double holds decimal type), ...

Type Conversions Conversion from a lower range type to higher range type is called widening and is done automatically. However, to go from a higher range type to lower range type (narrowing) you have ...

The other types of variables in Java are: byte – stores whole numbers from -128 to 127; ... There are other ways you can categorize variables in Java, and other ways you can manipulate data.

Data types specify the different sizes and values that can be stored in the variable. There are two types of data types in Java: 1- Primitive data types: The primitive data types include boolean, char ...