Un programma completo


import java.io.*;
import javagently.*;

class Summation1 {

  /* The first Summation program  by J M Bishop 1996
   *
   * Reads in numbers interactively and displays
   * their sum.
   * Illustrates the declaration of an input stream
   * and simple use of the Text class.
   */

  public static void main(String[] args)
                throws IOException {

    int count;
    double total = 0;
    double number;

    BufferedReader in = Text.open(System.in);

    System.out.println("** Summing numbers **");

    Text.prompt("How many numbers?");
    count = Text.readInt(in);

    for (int i = 1; i <= count; i++) {
      System.out.print(i+"> ");
      number = Text.readDouble(in);
      total += number;
    }
    System.out.println("That's enough, thanks.");
    System.out.println("The total is "+total);
  }
}


images/arrow1_left.gif (1097 byte)