Java Code for Area of a Tube

This java programming code is used to find the area of a tube . You can select the whole java code by clicking the select option and can use it. When you click text, the code will be changed to text format. This java program code will be opened in a new pop up window once you click pop-up from the right corner. You can just copy, paste this java code and use it to find the area of a tube .

import java.io.*;
import java.util.Scanner;
import java.lang.*;
class TubeArea
{
    public static void main(String[] args)
    {
      Scanner in = new Scanner(System.in);
      double a,r=10,h=5;
      a=(2*3.14*Math.pow(r,2))+(2*3.14*h*r);
      System.out.println("\nArea of Tube = "+a);
    }
}