适合于J2ME游戏开发的初学者，该源码实现了一个简单的飞机射击游戏，完全使用的是Canvas类来实现的，对于想了解该类的方法的人很有帮助。-Suitable for beginners J2ME game development, the source code to achieve a simple shooting game of the aircraft, fully using the Canvas class to achieve, for such methods would lik