Class notes java programming language

Operators in Java
Operator in Java is a symbol that is used to perform operations. For example: +, -, *, /
etc.

There are many types of operators in Java which are given below:

o Unary Operator,
o Arithmetic Operator,
o Shift Operator,
o Relational Operator,
o Bitwise Operator,
o Logical Operator,
o Ternary Operator and
o Assignment Operator.

Java Operator Precedence

Operator Category Precedence
Type

Unary postfix expr++ expr--


prefix ++expr --
expr +expr -expr ~ !

Arithmetic multiplicative * / %


additive + -


Shift shift << >> >>>


Relational comparison < > <= >= instanceof


equality == !=


Bitwise bitwise AND &

, bitwise ^
exclusive OR

bitwise |
inclusive OR

Logical logical AND &&


logical OR ||


Ternary ternary ? :


Assignment assignment = += -= *= /= %= &=
^= |= <<= >>= >>>=


Java Unary Operator
The Java unary operators require only one operand. Unary operators are used to
perform various operations i.e.:

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o incrementing/decrementing a value by one
o negating an expression
o inverting the value of a boolean

Java Unary Operator Example: ++ and --

1. public class OperatorExample{
2. public static void main(String args[]){
3. int x=10;
4. System.out.println(x++);//10 (11)
5. System.out.println(++x);//12
6. System.out.println(x--);//12 (11)
7. System.out.println(--x);//10
8. }}

Output:

10