Table of fahrenheit and celsius temperatures

 
public class TempConverter {

  public static void main(String[] args) {
    TempConverter t = new TempConverter();
    t.start();
    t.data();
    t.end();
  }

  protected void start() {
  }

  protected void data() {
    for (int i=-40; i<=120; i+=10) {
      float c = (i-32)*(5f/9);
      print(i, c);
    }
  }

  protected void print(float f, float c) {
    System.out.println(f + " " + c);
  }

  protected void end() {
  }
}