Java Long class reverseBytes() method with example

Long class reverseBytes() method: Here, we are going to learn about the reverseBytes() method of Long class with its syntax and example. By Preeti Jain Last updated : March 20, 2024

Long class reverseBytes() method

  • reverseBytes() method is available in java.lang package.
  • reverseBytes() method is used to returns the value generated by reversing the order of bytes in binary 2's complement denotation of the given argument.
  • reverseBytes() method is a static method, it is accessible with the class name too and if we try to access the method with the class object then also we will not get an error.
  • reverseBytes() method does not throw an exception at the time of reversing the order of bytes.

Syntax

    public static long reverseBytes (long value);

Parameters

  • long value – represents the long value to be parsed.

Return Value

The return type of this method is long, it returns a long value generated by reversing the bytes order in 2's complement of the given long value.

Example

// Java program to demonstrate the example 
// of reverseBytes(long value) method of Long class

public class ReverseBytesOfLongClass {
    public static void main(String[] args) {
        long value = 1296;

        // Display value
        System.out.println("value: " + value);

        // It returns the string representation of the given unsigned 
        // long value denoted by the argument in binary by calling
        // Long.toBinaryString(value)
        System.out.println("Long.toBinaryString(value): " + Long.toBinaryString(value));

        // It returns the value generated by reversing the order of the 
        // bytes in the given argument value by calling //Long.reverseBytes(value)
        System.out.println("Long.reverseBytes(value): " + Long.reverseBytes(value));
    }
}

Output

value: 1296
Long.toBinaryString(value): 10100010000
Long.reverseBytes(value): 1154328879490400256

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