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Test Your Skills - Remove these bugs in HelloWorld.java

/**
* HelloWorldForm.Java
* @author j2meSalsa.com
* Common class which is accessed by all MIDlets.
*/
package com.j2me.salsa.midletsuite;
//Midlet's User interface API
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;

import javax.microedition.midlet.MIDlet;

public class HelloWorldForm extends Form implements CommandListener{

private Command exitCommand;
MIDlet midlet;
 /**
  * Midlet constructor is called and the objects are instantiated.
  * Midlet enters paused state
  * */

public HelloWorldForm(String greeting, MIDlet midlet) {
super("MIDlet Suite");
this.midlet = midlet;
exitCommand = new Command("Exit", Command.EXIT, 1);
this.append(greeting);
this.addCommand(exitCommand);
this.setCommandListener(this);
}

    /**
     * Midlet event handling
     */
    public void commandAction(Command cmd, Displayable disp) {
        if (cmd == exitCommand) {
             midlet.notifyDestroyed(); // Midlet notifies the AMS that it has done its work.
        }
    }
}

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