刚学Java一个多月，很多东西都不懂。现在被老师赶着写个程序，要实现4*4*4的小立方体依次出现的效果，还要用JSlider和JButton去控制它。我现在把JSlider那块写完了，可以做到拖动滑块Canvas上出现相应的立方体数。但是Button那里搞不定，我想要的是一按Start动画 ...

Everybody who reads the famous book Design Patterns knows the Decorator pattern. Let’s, for a moment, forget what we know about this concept and try to understand Decorator from our everyday ...