Java.lang.Double.parseDouble() Method

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Description

The java.lang.Double.parseDouble() method returns a new double initialized to the value represented by the specified String, as done by the valueOf method of class Double.

Declaration

Following is the declaration for java.lang.Double.parseDouble() method

public static double parseDouble(String s) throws NumberFormatException

Parameters

  • s -- This is the string to be parsed.

Return Value

This method returns the double value represented by the string argument.

Exception

  • NumberFormatException -- if the string does not contain a parsable double.

Example

The following example shows the usage of java.lang.Double.parseDouble() method.

package com.tutorialspoint;

import java.lang.*;

public class DoubleDemo {

   public static void main(String[] args) {

     Double d = new Double("6.35");
   
     // returns the double value represented by the string argument
     String str = "50";
     double retval = d.parseDouble(str);
     System.out.println("Value = " + retval);
   }
}  

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

Value = 50.0



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