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), ...

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

The Java input/output (I/O) facilities provide a simple, standardized API for reading and writing character and byte data from various data sources. This article explores the I/O classes ...