createtable.java

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

import java.text.*;  // needed for formatting
public class CreateTable
{
  public static void main(String[] args)
  {
    int num;
    DecimalFormat df = new DecimalFormat("0000");
 
    System.out.println("NUMBER    SQUARE    CUBE");
    System.out.println("------    ------    ----");
    num = 1;
    while (num < 11)
    {
      System.out.print(" " + df.format(num));
      System.out.print("      " + df.format(num*num));
      System.out.println("     " + df.format(num * num * num));
      num++;         // increment num
    }
  }
}