accumulateelements.java

《A first book of java》by Gary J.Bronson 北大出版社

import javax.swing.*;
public class AccumulateElements
{
  public static void main(String[] args)
  {
    final int NUMELS= 5;
    String s1;
    int i;
    int total = 0;
      // declare and allocate the array
    int grade[] = new int[NUMELS]; // allocate the array
 
    for (i = 0; i < NUMELS; i++)    // Enter the grades
    {
      s1 = JOptionPane.showInputDialog("Enter a grade: ");
      grade[i] = Integer.parseInt(s1);
    }
    System.out.print("The total of the grades");
    for (i = 0; i < NUMELS; i++)     // Display and total the grades
    {
       System.out.print("  " + grade[i]);
       total =  total + grade[i];
    }
    System.out.print(" is " + total);
    System.exit(0);
  }
}