Java - Short doubleValue() Method

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The Java Short doubleValue() method retrieves the equivalent double value of the given short value after a widening primitive conversion (converting smaller data type to a bigger data type). The double primitive data type is a double-precision 64-bit floating point that has a maximum value of 1.7976931348623157 x 10³⁰⁸ and minimum value of 4.9406564584124654 x 10^-324

For example, assume we have a short value '11’. The equivalent double value of the given short value is ‘11.0’.

short s = 11
doubleValue d = 11.0 // corresponding double value

Syntax

Following is the syntax for Java Short doubleValue() method −

public double doubleValue()

Parameters

This method does not accept any parameter.

Return Value

This method returns the numeric value represented by this object after conversion to type double.

Example

Following is an example to show the usage of Java Short doubleValue() method. Here we are creating a Short object with a positive value. Thereafter, we tried to get the its double value.

import java.lang.*;
public class ShortDemo {
   public static void main(String[] args) {
      
      // returns the double value of this Short object
      Short obj = new Short("87");
      double d = obj.doubleValue();
      System.out.println("Value = " + d);
      obj = new Short("90");
      d = obj.doubleValue();
      System.out.println("Value = " + d);
   }
}

Output

Let us compile and run the above program, this will produce the following result −

Value = 87.0
Value = 90.0

Example

In the example given below a Short object 'obj' is created with a negative value. After that, its equivalent double value is returned by invoking the doubleValue() method on this object −

import java.lang.*;
public class ShortDemo {
   public static void main(String[] args) {
      
      // returns the double value of this Short object
      Short obj = new Short("-45");
      double d = obj.doubleValue();
      System.out.println("Value = " + d);
      obj = new Short("-92");
      d = obj.doubleValue();
      System.out.println("Value = " + d);
   }
}  

Output

Following is an output of the above code −

Value = -45.0
Value = -92.0

Example

Following is another example of doubleValue() method of Short class by wrapping the short value in the wrapper class Short and returning the double value of the Short object −

class ShortDemo {
   public static void main(String[] args) {
      String x = "98";
      Short y = new Short(x);
      double result = y.doubleValue();
      System.out.println("Value = " + result);
   }
}

Output

On executing the program above, the output is obtained as follows −

Value = 98.0

Example

In the following example, a short variable is created to which a value is assigned. The double value of this short value is then returned −

import java.lang.*;
public class ShortDemo {
   public static void main(String[] args) {
      
      // create short object and assign value to it
      short sval = 100;
      Short sobj = new Short(sval);
      
      // returns double value of Short
      double doubleValue = sobj.doubleValue(); 
      
      // printing double value
      System.out.println("double value of Short is = " + doubleValue);
   }
}   

Output

While executing the above code, we get the following output −

double value of Short is = 100.0