Java Fundamentals

Java Fundamentals

1. Character Sets

   • ASCII (Generally Unused)
   • Unicode(Widely Used)

2. Separators (various)

3. Primitives

   • Numbers
     • Byte, Float, Long, Short, Int, Double
   • Char
   • Boolean

4. Variables (Place Holder for Data)

   • Reference
   • Primitive
     • Can be constants

5. Literals

   • Primitive
   • Strings
   • Null

6. Operators

   • Unary
     • +/-
     • !
     • ++
   • Arithmetic
     • + / - / * / / / % / ==
   • Relational/Conditional
     • > or <
     • && / ||
   • Shift/Logical
     • >> / <<
     • & / | / ^
   • Assignment
     • 12 different ones
       • Example: = / +=
   • Other
     • e.g. Postfix