Operators are symbol which tells the compiler to perform logical and mathematical operations.
Java supports the following operators:
- Arithmetic operators
- Assignment operators
- Comparison operators
- Logical operators
- Bitwise operators
Arithmetic Operators
Arithmetic Operators are used to perform common mathematical operations such as addition, subtraction, multiplication, and division.
| Operator | Description |
| + | + operator is used to add two values. |
| – | – operator is used to subtract two values. |
| * | * operator is used to multiply two values. |
| / | / operator returns quotient after dividing 1st operand by 2nd operand. |
| % | % operator returns remainder after dividing 1st operand by 2nd operand. |
| ++ | Increase the value by 1. |
| — | Decreases the value by 1. |
Assignment operators
Assignment operators is used to assign a value to any variable on its right hand side of operator to left.
| Operator | Description |
| = | This operator assign the value from the right to left. |
| += | This operand adds the right operand to the left and assign the value to left operand. |
| -= | This operand subtract the right operand to the left and assign the value to left operand. |
| *= | This operand multiply the right operand to the left and assign the value to left operand. |
| /= | This operand divide the right operand to the left and assign the value to left operand. |
| %= | This operand takes the modulus from both the operand and assign values to left operand. |
| <<= | This is left shift and assignment operator. |
| >>= | This is right shift and assignment operator. |
| |= | This is bitwise inclusive OR operator. |
| ^= | This is bitwise exclusive OR operator. |
Comparison operators
Comparison operators is also known as relational operator. This operator is used to compare two values.
| Operator | Description |
| == | If both the condition are true then the condition will become true. |
| < | This operator will check whether the left operand is less than the right operand. |
| > | This operator will check whether the right operand is greater than the left operand. |
| <= | This operand will check whether the left operand is less than or equal to the right operand. |
| >= | This operand will check whether the right operand is greater than or equal to the left operand. |
| != | If both the operand are not equal then the condition will become true. |
Logical operators
Logical operators is used to perform logical operations such as logical AND, logical OR, and Logical not.
| Operator | Description |
| AND | If both the expression are true then the condition will become rue. |
| OR | If any one of the expression is true then the condition will become true. |
| NOT | If the expression result is false this operand will convert the result into true. |
Bitwise operators
Bitwise Operators used to perform manipulation of individual bits of a number. Bitwise operations are faster and usually use less power because of the reduced use of resources.
| Operator | Description |
| & | The bitwise AND operator is used to compare two numbers bit by bit of input values. |
| | | The bitwise OR operator is used to compare two numbers bit by bit of input values. |
| ^ | The bitwise XOR operator is used to compare two numbers bit by bit of input values. |
| ~ | Bitwise compliment operator is used to inverts all the bits. |
| << | The Binary Left Shift Operator moves to the left operands value to left by the number of bits specified by the right operand. |
| >> | The Binary right Shift Operator moves to the right operands value to left by the number of bits specified by the right operand. |
| >>> | Shift right zero fill operator will shift right by pushing zeroes from the left. |
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