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標題: IVE Lab 7-4 Sample [打印本頁]

作者: f66666602 時間: 2007-7-27 21:15
標題: IVE Lab 7-4 Sample
import javax.swing.*;

public class multi_table {

  static String input_string;
  static int input_int;
  static int cross, roll, num;
  static String space = "";
  static String result = "";

  public static void main(String[] args) {

input_string = JOptionPane.showInputDialog(null, "Input a number of range", "The calculation of multiplication",
                                             JOptionPane.QUESTION_MESSAGE);

input_int = Integer.parseInt(input_string);

System.out.println("Multiplication Table\n");
result = "";
for (cross = 0; cross <= input_int; cross++) {
   num = cross;
   if (num < 10) {
      space = "  ";
   } else {
      space = " ";
   }
   if (num == 0) {
      result += " ";
   } else {
      result += num + space;
   }

}
System.out.print(result + "\n");

for (cross = 1; cross <= input_int; cross++) {
   result = "";
   for(roll = 1; roll <= input_int; roll++) {
      num = cross * roll;
      if (num < 10) {
      space = "  ";
      } else {
      space = " ";
      }
      result += space + num;
   }
   result += "\n";
   System.out.print(cross + result);
}
  }
}

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