Object Data

Scope

• Local
• Global

Java Basic Data Types

Also called primitive types.

• Integers - All types are signed.
  • byte - 8 bits
  • short - 16 bits
  • Int - 32 bits
  • long - 64 bits
• Floating point numbers
  • float
  • double - For more precise real number calculations.
• Characters - char
• Boolean - boolean - True or false.