// Example 103 from page 77 of Java Precisely second edition (The MIT Press 2005)
// Author: Peter Sestoft (sestoft@itu.dk)

import java.text.DecimalFormat;

class Example103 {
  public static void main(String[] args) {
    System.out.println("Printing temperature table");
    DecimalFormat ff = new DecimalFormat("#0"), cf = new DecimalFormat("0.0");
    System.out.println("Fahrenheit   Celsius");
    for (double f=100; f<=400; f+=10) {
      double c = 5 * (f - 32) / 9;
      System.out.println(padLeft(ff.format(f), 10) + padLeft(cf.format(c), 10));
    }
  }

  static String padLeft(String s, int width) {
    StringBuilder res = new StringBuilder();
    for (int i=width-s.length(); i>0; i--)
      res.append(' ');
    return res.append(s).toString();
  }
}