java多线程实现多个小球互相碰撞
把这个界面继承在JPanel面板上，提高画面流畅度，解决JFrame的闪屏问题，然后将小球建立为数组保存，为每一个小球分配一个大小为Ball类型的空间 利用数学公式计算出小球之间的相互距离，用一个double类型的二维数组保存，然后在小球每次运动后检测是否发生相互碰撞，当时，说明小球应该发生碰撞，然后将两个小球的速度交换。
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
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The Web framework for perfectionists with deadlines.
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A PHP framework for web artisans
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JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
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Data-Driven Documents codes.
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