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Java Long class byteValue() method with example

Long class byteValue() method: Here, we are going to learn about the byteValue() method of Long class with its syntax and example.
Submitted by Preeti Jain, on October 09, 2019

Long class byteValue() method

  • byteValue() method is available in java.lang package.
  • byteValue() method is used to return the value denoted by this Long object converted to type byte (by casting).
  • byteValue() method is a non-static method, it is accessible with class object only and if we try to access the method with the class name then we will get an error.
  • byteValue() method does not throw an exception at the time of conversion from Long to byte.


    public byte byteValue();


  • It does not accept any parameter.

Return value:

The return type of this method is byte, it returns a converted (from type Long to byte) value represented by this Long object.


// Java program to demonstrate the example 
// of byteValue() method of Long class

public class ByteValueOfLongClass {
    public static void main(String[] args) {
        // Variables initialization
        long l1 = 10;
        long l2 = 20;

        // It returns long value denoted by this Long ob1 object
        // and converted to a byte by calling ob1.byteValue()
        Long ob1 = new Long(l1);

        // Display ob1 result
        System.out.println("ob1.byteValue(): " + ob1.byteValue());

        // It returns long value denoted by this Long ob2 object
        // and converted to a byte by calling ob2.byteValue()
        Long ob2 = new Long(l2);

        // Display ob2 result
        System.out.println("ob2.byteValue(): " + ob2.byteValue());


ob1.byteValue(): 10
ob2.byteValue(): 20

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