Java Operators

Operators are used to perform operations on variables and values.

In the example below, we use the + operator to add together two values:

int x = 100 + 50;

int x = 100 + 50;

Java Arithmetic Operators

Arithmetic operators are used to perform common mathematical operations.

Operator	Name	Description
+	Addition	Adds together two values
-	Subtraction	Subtracts one value from another
*	Multiplication	Multiplies two values
/	Division	Divides one value by another
%	Modulus	Returns the division remainder
++	Increment	Increases the value of a variable by 1
--	Decrement	Decreases the value of a variable by 1

Java Assignment Operators

Assignment operators are used to assign values to variables.

Operator	Example	Same As
=	x = 5	x = 5
+=	x += 3	x = x + 3
-=	x -= 3	x = x - 3
*=	x *= 3	x = x * 3
/=	x /= 3	x = x / 3
%=	x %= 3	x = x % 3
&=	x &= 3	x = x & 3
|=	x |= 3	x = x | 3
^=	x ^= 3	x = x ^ 3
>>=	x >>= 3	x = x >> 3
<<=	x <<= 3	x = x << 3

Java Comparison Operators

Comparison operators are used to compare two values.

Operator	Name	Example
==	Equal to	x == y
!=	Not equal	x != y
>	Greater than	x > y
<	Less than	x < y
>=	Greater than or equal	x >= y
<=	Less than or equal	x <= y

Java Logical Operators

Logical operators are used to determine the logic between variables or values.

Operator	Name	Description
&&	and	Returns true if both statements are true
||	or	Returns true if one of the statements is true
!	not	Reverse the result, returns false if the result is true

Java Bitwise Operators

Bitwise operators are used to perform bitwise operations on integers.

Operator	Name	Description
&	AND	Sets each bit to 1 if both bits are 1
|	OR	Sets each bit to 1 if one of two bits is 1
^	XOR	Sets each bit to 1 if only one of two bits is 1
~	NOT	Inverts all the bits
<<	Zero fill left shift	Shift left by pushing zeros in from the right and let the leftmost bits fall off
>>	Signed right shift	Shift right by pushing copies of the leftmost bit in from the left, and let the rightmost bits fall off
>>>	Zero fill right shift	Shift right by pushing zeros in from the left, and let the rightmost bits fall off

Java Ternary Operator

The ternary operator is shorthand for if-then-else statements.

int time = 20;

String result = (time < 18) ? "Good day." : "Good evening.";

System.out.println(result); // Outputs "Good evening."

int time = 20;

String result = (time < 18) ? "Good day." : "Good evening.";

System.out.println(result); // Outputs "Good evening."