Java.lang.Long.parseLong() Method

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Description

The java.lang.Long.parseLong(String s) method parses the string argument s as a signed decimal long.

Declaration

Following is the declaration for java.lang.Long.parseLong() method

public static long parseLong(String s) throws NumberFormatException

Parameters

s − This is a String containing the long representation to be parsed.

Return Value

This method returns the long represented by the argument in decimal.

Exception

NumberFormatException − if the string does not contain a parsable long.

Example

The following example shows the usage of java.lang.Long.parseLong() method.

package com.tutorialspoint;

import java.lang.*;

public class LongDemo {

   public static void main(String[] args) {

      // parses the string argument
      long a = Long.parseLong("1452");
      long b = Long.parseLong("26");
      long c = Long.parseLong("54");

      long m = a * b * c;
      System.out.print("Value after multiplying = " + m);
   }
}  

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

Value after multiplying = 2038608