gistfile1.java

import java.util.*;

public class Accumulator {
  private int accum = 0;
  
  public void add(int val) {
    accum = accum + val;
  }
  
  public int getValue() {
    return accum;
  }
  
  public static void main(String [] args) {
    Scanner scanner = new Scanner(System.in);
    Accumulator accum = new Accumulator();
    int input;
    boolean finished = false;
    
    while (!finished) {
      System.out.print("Enter a value: ");
      input = scanner.nextInt();
      if (input == 0) {
        finished = true;
      } else {
        accum.add(input);
      }
    }
    System.out.format("Accumulated sum: %d\n", accum.getValue());
  }
}