Operators in Java

Operators are symbols which is used to do some operations. For example if our operation is addition, we use + symbol and that is our operator. In any operation we have operator and operand. Look at this example:
A+B : Here, A and B are operator and + is operand. Whole expression is called operation.

Types of Operators in Java

• Unary Operators
• Arithmetic Operators
• Relational Operators
• Bitwise Operators
• Shift Operators
• Logical Operators
• Ternary Operator
• Assignment Operators

Unary Operators

Those operators which needs only one operand are called unary operators. Click here to know how unary operator works.

Operator	Name	Description	Example
++	Increment	Increases value by 1	a++, ++a
--	Decrement	Decreases value by 1	a--, --a

Arithmetic Operators

Those operators which are used to do basic math operations or arithmetic operations are called arithmetic operators.

Operator	Name	Description	Example
+	Addition	Adds two values	a + b
-	Subtraction	Subtracts one value from another	a - b
*	Multiplication	Multiplies two values	a * b
/	Division	Divides one value by another	a / b
%	Modulus	Returns the division remainder	a % b

Relational Operators

Those operators which are used to compare two values are called relational operators.

Operator	Name	Example
>	Greater than	a > b
<	Less than	a < b
>=	Greather than or equal to	a >= b
<=	Less than or equal to	a <= b
==	Equal to	a == b
!=	Not equal to	a != b

Bitwise Operators

These operators converts each value in binary and does logical operation in bits. Click here to know how bitwise operator works.

Operator	Name	Example
&	AND	a & b
|	OR	a | b
~	NOT	a ~ b
^	XOR	a ^ b

Shift Operators

These operators converts each value in binary and shift bits left or right. Click here to know how shift operator works.

Operator	Name	Example	Same as
<<	Left shift	a << b	a * 2 ^ b
>>	Right shift	a >> b	a / 2 ^ b

Logical Operators

Those operators which are used to determine the logic between variables or values are called logical operators.

Operator	Name	Description	Example
&&	AND	True if both values are true	a && b
||	OR	False if both values are false	a || b
!	NOT	Complements the value	a ! b

Ternary Operator

This operator needs three operands and executes with some condition. It is same as if statement which we will learn later.

Operator	Name	Description	Example
? :	Ternary If	Condition ? True : False	a > b ? a - b : b - a

Assignment Operator

This operator is used to assign some value to the variable. We have been using one since beginning. Remember =, yes it is also assignment operator. Take a loot at more:

Operator	Example	Same as
=	x = 5	x = 5
+=	x += 5	x = x + 5
-=	x -= 5	x = x - 5
*=	x *= 5	x = x * 5
/=	x /= 5	x = x / 5
%=	x %= 5	x = x % 5

Take a look at this example:

This example shows how to use operators in java:

public class Operators { public static void main(String[] args) { int a = 5; int b = 4; System.out.println(a+b); System.out.println(a%b); System.out.println(a>b); System.out.println(b>a ? b-a : a-b); System.out.println(++a); System.out.println(--b); } }

Also we can assign operation to new variable and print new variable. Example: int c = a + b; and print c. They both are same.

Output:

9
1
true
1
6
3

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