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Byte doubleValue() method in Java with examples
  • Last Updated : 08 Oct, 2018

The doubleValue() method of Byte class is a built in method in Java which is used to return the value of this Byte object as double.

Syntax

ByteObject.doubleValue()

Return type: It returns the value of ByteObject as double.

Below is the implementation of doubleValue() method in Java:

Example 1:






// Java code to demonstrate
// Byte doubleValue() method
  
class GFG {
    public static void main(String[] args)
    {
  
        // byte value
        byte a = 17;
  
        // wrapping the byte value
        // in the wrapper class Byte
        Byte b = new Byte(a);
  
        // doubleValue of the Byte Object
        double output = b.doubleValue();
  
        // printing the output
        System.out.println("Double value of "
                           + a + " is : " + output);
    }
}
Output:
Double value of 17 is : 17.0

Example 2:




// Java code to demonstrate
// Byte doubleValue() method
  
class GFG {
    public static void main(String[] args)
    {
  
        String value = "17";
  
        // wrapping the byte value
        // in the wrapper class Byte
        Byte b = new Byte(value);
  
        // doubleValue of the Byte Object
        double output = b.doubleValue();
  
        // printing the output
        System.out.println("Double value of "
                           + b + " is : " + output);
    }
}
Output:
Double value of 17 is : 17.0

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