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Java Number byteValue() method with example

Number Class byteValue() method: Here, we are going to learn about the byteValue() method of Number Class with its syntax and example.
Submitted by Preeti Jain, on December 03, 2019

Number Class byteValue() method

  • byteValue() method is available in java.lang package.
  • byteValue() method is used to return the value denoted by this Number 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 class name then we will get an error.
  • byteValue() method does not throw an exception at the time of conversion from Number to byte.

Syntax:

    public byte byteValue();

Parameter(s):

  • It does not accept any parameter.

Return value:

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

Example:

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

public class ByteValueOfNumberClass {
    public static void main(String[] args) {

        // Variables initialization
        int i1 = 10;
        float f1 = 20.62f;

        // It returns byte value denoted by this Number object
        // and converted to a byte by calling i.byteValue()
        Integer i = new Integer(i1);

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

        // It returns byte value denoted by this Number object
        // and converted to a byte by calling f.byteValue()
        Float f = new Float(f1);

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

Output

i.byteValue(): 10
f.byteValue(): 20






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