Slide 3.7: The hello-world MIDlet   Slide 3.9: Line-by-line anatomy of HelloMIDlet.java (cont.)   Home

Line-by-line Anatomy of HelloMIDlet.java

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import javax.microedition.lcdui.*;
The package javax.microedition.lcdui provides a set of features for implementation of user interfaces for MIDP applications.

Class hierarchy

• class java.lang.Object
  
  
  • class javax.microedition.lcdui.AlertType
  • class javax.microedition.lcdui.Command
  • class javax.microedition.lcdui.Display
  • class javax.microedition.lcdui.Displayable
    
    
    • class javax.microedition.lcdui.Canvas
    • class javax.microedition.lcdui.Screen
      
      
      • class javax.microedition.lcdui.Alert
      • class javax.microedition.lcdui.Form
      • class javax.microedition.lcdui.List (implements javax.microedition.lcdui.Choice)
      • class javax.microedition.lcdui.TextBox
    
    
  • class javax.microedition.lcdui.Font
  • class javax.microedition.lcdui.Graphics
  • class javax.microedition.lcdui.Image
  • class javax.microedition.lcdui.Item
    
    
    • class javax.microedition.lcdui.ChoiceGroup (implements javax.microedition.lcdui.Choice)
    • class javax.microedition.lcdui.DateField
    • class javax.microedition.lcdui.Gauge
    • class javax.microedition.lcdui.ImageItem
    • class javax.microedition.lcdui.StringItem
    • class javax.microedition.lcdui.TextField
      
      
  • class javax.microedition.lcdui.Ticker

Interface hierarchy

• interface javax.microedition.lcdui.Choice
• interface javax.microedition.lcdui.CommandListener
• interface javax.microedition.lcdui.ItemStateListener