Six categories of operators

In Java, there are six categories of operators.

1. Unary operators
2. Arithmetic operators
3. Relational and conditional operators
4. Shift and logical operators
5. Assignment operators
6. Other operators

Precedence     Operator     Description                          Association
1              ++,--        Postincrement, Postdecrement         R -> L
2              ++,--        Preincrement, Predecrement           R -> L
               +,-          Unary plus, unary minus              R -> L
               ~            Bitwise compliment                   R -> L
               !            Boolean NOT                          R -> L
3              new          Create object                        R -> L
               (type)       Type cast                            R -> L
4              *,/,%        Multiplication, division, remainder  L -> R
5              +,-          Addition, subtraction                L -> R
               +            String concatenation                 L -> R
6              <<, >>, >>>  Left shift, right shift, unsigned right shift     L -> R
7              <, <=, >, >=                                      L -> R
               instanceof   Type comparison                      L -> R
8              ==, !=       Value equality and inequality        L -> R
               ==, !=       Reference equality and inequality    L -> R
9              &            Boolean AND                          L -> R
               &            Bitwise AND                          L -> R
10             ^            Boolean XOR                          L -> R
               ^            Bitwise XOR                          L -> R
11             |            Boolean OR                           L -> R
               |            Bitwise OR                           L -> R
12             &&           Conditional AND                      L -> R
13             ||           Conditional OR                       L -> R
14             ?:           Conditional Ternary Operator         L -> R
15             =,+=,-=,     Assignment Operators                 R -> L
               *=,/ =,%=,
               &=,^=, |=, 
               <<=, >> =, 
               >>>=

http://www.java2s.com/Tutorial/Java/0060__Operators/Sixcategoriesofoperators.htm