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Integer doubleValue() Method in Java

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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


Last Updated : 07 Jul, 2018
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