PlanetDiameters.java Source code

Introduction

Here is the source code for PlanetDiameters.java

Source

import java.util.Enumeration;
import java.util.Hashtable;

public class PlanetDiameters {
    public static void main(String args[]) {
        String names[] = { "Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune", "Pluto" };
        float diameters[] = { 4800f, 12103.6f, 12756.3f, 6794f, 142984f, 120536f, 51118f, 49532f, 2274f };
        Hashtable hash = new Hashtable();
        for (int i = 0, n = names.length; i < n; i++) {
            hash.put(names[i], new Float(diameters[i]));
        }
        Enumeration e = hash.keys();
        Object obj;
        while (e.hasMoreElements()) {
            obj = e.nextElement();
            System.out.println(obj + ": " + hash.get(obj));
        }
    }
}