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Java Integer class byteValue() method with example

Integer class byteValue() method: Here, we are going to learn about the byteValue() method of Integer class with its syntax and example.
Submitted by Preeti Jain, on September 25, 2019

Integer class byteValue() method

  • byteValue() method is available in java.lang package.
  • byteValue() method is used to return the value denoted by this Integer 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 Integer 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 Integer to byte) value represented by this Integer object.

Example:

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

public class ByteValueOfIntegerClass {
    public static void main(String[] args) {
        // Variables initialization
        int i1 = 10;
        int i2 = 20;

        // It returns integer value denoted by this Integer value1 object
        // and converted to a byte by calling value1.byteValue()
        Integer value1 = new Integer(i1);

        // Display value1 result
        System.out.println("value1.byteValue(): " + value1.byteValue());

        // It returns integer value denoted by this Integer value2 object
        // and converted to a byte by calling value2.byteValue()
        Integer value2 = new Integer(i2);

        // Display value2 result
        System.out.println("value2.byteValue(): " + value2.byteValue());
    }
}

Output

value1.byteValue(): 10
value2.byteValue(): 20






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