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Integer doubleValue() Method in Java
  • Last Updated : 07 Jul, 2018

The doubleValue() method of Integer class of java.lang package is used to convert the value of the given Integer to a Double type after a widening primitive conversion and returns it.

Syntax:

public double doubleValue()

Parameters: The method does not take any parameter.

Return Value: This method returns a numeric value represented by this object after conversion to double type.

Below programs illustrate java.lang.Integer.doubleValue() method.
Program 1:






// Code to illustrate doubleValue() method
import java.lang.Integer;
  
class Gfg {
      
// Driver code
    public static void main(String args[])
    {
        Integer a = new Integer(14);
  
        // Convert Integer number to double value
        double b = a.doubleValue();
  
        System.out.println(b);
    }
}


Output:

14.0

Program 2:




// Code to illustrate doubleValue() method
import java.lang.Integer;
  
class Gfg {
      
// Driver code
    public static void main(String args[])
    {
        Integer a = new Integer(120);
  
        // Convert Integer number to double value
        double b = a.doubleValue();
  
        System.out.println(b);
    }
}


Output:

120.0

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