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() methodimport 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() methodimport 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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