J2me written with an open source game Battle City is a good reference for learning

BattleCity
..........\.classpath
..........\.eclipseme
..........\.eclipseme.tmp
..........\..............\emulation
..........\..............\.........\BattleCity.jad
..........\..............\.........\BattleCity.jar
..........\..............\verified
..........\..............\........\classes
..........\..............\........\.......\com
..........\..............\........\.......\...\pstreets
..........\..............\........\.......\...\........\game
..........\..............\........\.......\...\........\....\battlecity
..........\..............\........\.......\...\........\....\..........\Actor.class
..........\..............\........\.......\...\........\....\..........\BattleCity.class
..........\..............\........\.......\...\........\....\..........\BattleField.class
..........\..............\........\.......\...\........\....\..........\Bullet.class
..........\..............\........\.......\...\........\....\..........\EnemyTank.class
..........\..............\........\.......\...\........\....\..........\Explosion.class
..........\..............\........\.......\...\........\....\..........\FastTank.class
..........\..............\........\.......\...\........\....\..........\GameoverScreen.class
..........\..............\........\.......\...\........\....\..........\GameScene.class
..........\..............\........\.......\...\........\....\..........\HeavyTank.class
..........\..............\........\.......\...\........\....\..........\PlayerTank.class
..........\..............\........\.......\...\........\....\..........\Powerup.class
..........\..............\........\.......\...\........\....\..........\ResourceManager.class
..........\..............\........\.......\...\........\....\..........\Score.class
..........\..............\........\.......\...\........\....\..........\ScoreScreen.class
..........\..............\........\.......\...\........\....\..........\SimpleTank.class
..........\..............\........\.......\...\........\....\..........\SmartTank.class
..........\..............\........\.......\...\........\....\..........\SplashScreen.class
..........\..............\........\.......\...\........\....\..........\StageScreen.class
..........\..............\........\.......\...\........\....\..........\StartScreen.class
..........\..............\........\.......\...\........\....\..........\Switch2Screen.class
..........\..............\........\.......\...\........\....\..........\SwitchScreen.class
..........\..............\........\.......\...\........\....\..........\Tank.class
..........\..............\........\libs
..........\.project
..........\.settings
..........\.........\org.eclipse.jdt.core.prefs
..........\BattleCity.jad
..........\bin
..........\...\com
..........\...\...\pstreets
..........\...\...\........\game
..........\...\...\........\....\battlecity
..........\...\...\........\....\..........\Actor.class
..........\...\...\........\....\..........\BattleCity.class
..........\...\...\........\....\..........\BattleField.class
..........\...\...\........\....\..........\Bullet.class
..........\...\...\........\....\..........\EnemyTank.class
..........\...\...\........\....\..........\Explosion.class
..........\...\...\........\....\..........\FastTank.class
..........\...\...\........\....\..........\GameoverScreen.class
..........\...\...\........\....\..........\GameScene.class
..........\...\...\........\....\..........\HeavyTank.class
..........\...\...\........\....\..........\PlayerTank.class
..........\...\...\........\....\..........\Powerup.class
..........\...\...\........\....\..........\ResourceManager.class
..........\...\...\........\....\..........\Score.class
..........\...\...\........\....\..........\ScoreScreen.class
..........\...\...\........\....\..........\SimpleTank.class
..........\...\...\........\....\..........\SmartTank.class
..........\...\...\........\....\..........\SplashScreen.class
..........\...\...\........\....\..........\StageScreen.class
..........\...\...\........\....\..........\StartScreen.class
..........\...\...\..

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