I added this to the class:
@Override
public String toString()
{
return this.name + " " + Integer.toString(age);
}
and now it at least shows the information, but how would you access
the individual instance variables from the container?
Cheers!
Dusty
On Feb 7, 12:00 pm, Dusty Dew <phyxas...@gmail.com> wrote:
> Okay, I have been programming a C++ for a while, so I am little
> befuddled trying to figure this one out. After assigning an instance
> of a class to a container, how to you display all of the instance
> variables. All I can figure out is how to display the reference, which
> is what happens when you assign an object instance to a container. Any
> help would be much appreciated; here's the code:
>
> /*
> * To change this template, choose Tools | Templates
> * and open the template in the editor.
> */
>
> package mycollectionproject;
>
> import java.util.Set;
> import java.util.HashSet;
> import java.util.LinkedHashSet;
> import java.util.ArrayList;
> import java.util.Iterator;
> import javax.swing.JOptionPane;
>
> /**
> *
> * @author Phyxashun
> */
> public class Main
> {
> /**
> * @param args the command line arguments
> */
> @SuppressWarnings("unchecked")
> public static void main(String[] args)
> {
> Set s = new HashSet();
> String msg = new String();
> s.add(new String ("Dusty"));
> s.add(new String ("Phyxashun"));
> s.add(new MyOwnClass("Dusty", 29));
> s.add(new MyOwnClass("Old Man", 54));
> s.add(new Integer (5));
> s.add(new Integer (55));
> s.add(new Integer (555));
>
> for (Iterator iterator = s.iterator(); iterator.hasNext(); )
> {
> msg += "HashSet: " + iterator.next() + "\n";
> }
> JOptionPane.showMessageDialog(null, msg, "HashSet", 1);
>
> s = new LinkedHashSet(s);
> msg = new String();
>
> for (Iterator iterator = s.iterator(); iterator.hasNext(); )
> {
> msg += "LinkedHashSet: " + iterator.next() + "\n";
> }
> JOptionPane.showMessageDialog(null, msg, "LinkedHashSet", 1);
>
> ArrayList aList = new ArrayList(s);
> msg = new String();
>
> for (Iterator iterator = aList.iterator(); iterator.hasNext
> (); )
> {
> msg += "ArrayList: " + iterator.next() + "\n";
> }
> JOptionPane.showMessageDialog(null, msg, "ArrayList", 1);
> }
>
> }
>
> Cheers!
>
> Dusty
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