Java Operators

An operator is a symbol that the compiler to perform a specific operation on operands.

Example : a + b = c

In the above example, 'a' and 'b' are operands on which the '+' operator is applied.

Types of operators :

1. Arithmetic Operators :

Arithmetic operators are used to perform mathematical operations such as addition, division, etc on expressions.

Arithmetic operators cannot work with Booleans.

% operator can work on floats and doubles.

Let x=7 and y=2

2. Comparison Operators :

As the name suggests, these operators are used to compare two operands.

Let x=7 and y=2

3.Logical Operators

These operators determine the logic in an expression containing two or more values or variables.

Let x = 8 and y =2

4. Bitwise Operators

These operators perform the operations on every bit of a number.

Let x =2 and y=3. So 2 in binary is 100, and 3 is 011.

Precedence of operators

The operators are applied and evaluated based on precedence. For example, (+, -) has less precedence compared to (*, /). Hence * and / are evaluated first. In case we like to change this order, we use parenthesis ().

Example

package com.company;

public class CWH_Ch2_Operators {
    public static void main(String[] args) {
        // 1. Arithmetic Operators
        int a = 4;
        int b = 6 % a; // Modulo Operator
        // 4.8%1.1 --> Returns Decimal Remainder

        // 2. Assignment Operators
        int b = 9;
        b *= 3;
        System.out.println(b);

        // 3. Comparison Operators
        System.out.println(64<6);

        // 4. Logical Operators
        System.out.println(64>5 && 64>98);
        System.out.println(64>5 || 64>98);

        // 5. Bitwise Operators
        System.out.println(2&3);
        //        10
        //        11
        //        ----
        //        10
    }
}

Conclusion

In this page (written and validated by A. Gawali) you learned about Java Operators . What's Next? If you are interested in completing Java tutorial, your next topic will be learning about: Java Associativity of Operators.

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