Can't seem to figure this out...

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I just created an account to ask the users of this forum if they could figure out my problem.

So, let's get right into it. I'm coding a client for Minecraft.

First, I declared an ArrayList like so:

public ArrayList<Bind> binds = new ArrayList<Bind>();

Then, when the user types into a console "bind <key> <cmd>[;<cmd>]" it adds a Bind to the array list, like so:

if(s.startsWith("bind")) {
	String[] args = s.split(" ");
	if(args.length > 2) {
			try {
					String key = args[1].toUpperCase();
					int kCode = Keyboard.getKeyIndex(key);
					
					String cmd = "";
					for(int i=2; i<args.length; i++) {
						cmd += args[i] + " ";
					}
					
					boolean exists = false;
					if(kCode != Keyboard.KEY_NONE) {
						for(int i=0; i<binds.size(); i++) {
							if(kCode == binds.get(i).keyCode) {
								binds.set(i, new Bind(kCode, cmd));
								mc.thePlayer.addChatMessage("Overwrote a bind!");
								exists = true;
								break;
							}
						}
				}
					
					if(!exists) {
						binds.add(new Bind(kCode, cmd));
						mc.thePlayer.addChatMessage(binds.get(binds.size() - 1).bind);
					}
				} catch (Exception e) {	}
	} else {
		mc.thePlayer.addChatMessage("Syntax: bind <key> <cmd>[;<cmd>]");
	}
}

All works fine, until I add another bind. After I add another it just sets both keys to do what the second one was set to do and I'm not sure. :|