zero100.java

来自「Java 入门书的源码」· Java 代码 · 共 33 行

//Copyright (c) 1998, Arthur Gittleman
//This example is provided WITHOUT ANY WARRANTY either expressed or implied.

 /*  Computes the sum of test scores between 
  *  zero and 100.  The program asks the user if
  *  another score is available, and if so reads it,  
  *  adding scores in the reand to the total so far. 
  *  If no more scores are available, the program
  *  displays the total.
  */

import iopack.Io;
public class Zero100  {
  public static void main(String [] args) {
    int score;            // holds current score   
    int answer;           // 1 if another score
                          // 0 if no more scores
    int total = 0;        // sum of scores so far  
   
    answer = Io.readInt("Enter 1 to enter score, 0 to quit");
    while (answer == 1) {
      score = Io.readInt("Enter the score");
      if (score >= 0 && score <= 100)                           
        total += score;  
      else
        System.out.println("     " + score + " is not between zero and 100");                                                      
      answer = Io.readInt("Enter 1 to enter score, 0 to quit"); 
   }
   System.out.println("The total is " + total);
   Io.readString("Press any key to exit");   // Added for IDE use
 }
}