TestWhile

import java.io. *;
public class TestWhile 
{
	public static void main(String args[])
	{
		int data;
		int sum =0;
		System.out.println("Enter an int value");
		data = MyInput.readInt();
		while(data!=0)
		{
			sum += data;
			System.out.println("Enter an int value, the program exits if the input is 0");
			data = MyInput.readInt();
		}
		System.out.println("The sum is"+ sum);
	}
}

class MyInput
{
	public static String readString()
	{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in),1);
		int k;
		float x,y;
		String studentname = "WangXin";
		String string ="";
		try
		{
			string = br.readLine();
		}catch(IOException ex)
		{
			System.out.println(ex);
		}
		return string;
	}
	public static int readInt()
	{
		return Integer.parseInt(readString());
	}
	public static double readDouble()
	{
		return Double.parseDouble(readString());
	}
}