Sun's J2ME official number of routines for beginners may be a good material it-

AddressBookMIDlet.java
Animation.java
BasicAuth.java
Board.java
ConnectionManager.java
CreateAddressBook.java
Doggy.java
DoggyMIDlet.java
HelloWorld.java
NetAddressBook.java
NetClientMIDlet.java
NetServer.java
NetworkQuery.java
PhotoAlbum.java
PhotoFrame.java
PopulateAddressBook.java
RMSMIDlet.java
SampleCanvas.java
Score.java
SimpleComparator.java
SimpleFilter.java
SimpleRecord.java
Sokoban.java
SokoCanvas.java
TimerMIDlet.java

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