java.lang.Long.parseLong(String s)

package com.codingdict;



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);

   }

}