Primitive Data Types

• Primitive data types are the building blocks for objects.
• You must declare a variable's type before it is used.
• Java hence is called a strongly-typed language.

   

  Type	Bits	Values
  boolean	1	true or false
  char	16	`\u0000' - `\uFFFF'
  byte	8	-128 to +127
  short	16	-32,768 to +32,767
  int	32	-2,147,483,648 to +2,147,483,648
  long	64	-9,223,372,036,854,775,808 to +9,223,372,036,854,775,808
  float	32	-3.40292347E+38 to +3.40292347E+38
  double	64	-1.79769313486321570E+308 to +1.79769313486321570E+308