with JAVA write a fireworks effect, code into confusion just for the sake escalation

Packet : 3970971fireflower.rar filelist
FireFlower\.project
FireFlower\play1.bat
FireFlower\MF
FireFlower\爆炸声4.mid
FireFlower\爆炸声.mid
FireFlower\爆炸声1.mid
FireFlower\爆炸声2.mid
FireFlower\爆炸声3.mid
FireFlower\run.bat
FireFlower\FireFlower.jar
FireFlower\Audio\爆炸声2.mid
FireFlower\Audio\爆炸声3.mid
FireFlower\Audio\爆炸声4.mid
FireFlower\Audio\爆炸声.mid
FireFlower\Audio\爆炸声1.mid
FireFlower\src\MyAudio.java
FireFlower\src\MyCanvas.java
FireFlower\src\MyMouseListener.java
FireFlower\src\MyThread.java
FireFlower\src\TwoPanel.java
FireFlower\src\Dot.java
FireFlower\src\DotFactory.java
FireFlower\src\DotFive.java
FireFlower\src\DotFour.java
FireFlower\src\DotOne.java
FireFlower\src\DotSix.java
FireFlower\src\DotThree.java
FireFlower\src\DotTwo.java
FireFlower\src\DrawLine.java
FireFlower\src\FireFlower.java
FireFlower\src\LittleDot.java
FireFlower\FireFlower\Dot.class
FireFlower\FireFlower\TwoPanel$AutoThread.class
FireFlower\FireFlower\TwoPanel.class
FireFlower\FireFlower\MyThread.class
FireFlower\FireFlower\MyMouseListener.class
FireFlower\FireFlower\MyCanvas.class
FireFlower\FireFlower\MyAudio.class
FireFlower\FireFlower\LittleDot.class
FireFlower\FireFlower\FireFlower.class
FireFlower\FireFlower\DrawLine.class
FireFlower\FireFlower\DotTwo.class
FireFlower\FireFlower\DotThree.class
FireFlower\FireFlower\DotSix.class
FireFlower\FireFlower\DotOne.class
FireFlower\FireFlower\DotFour.class
FireFlower\FireFlower\DotFive.class
FireFlower\FireFlower\DotFactory.class
FireFlower\FireFlower\TwoPanel.java.bak
FireFlower\FireFlower\MyThread.java.bak
FireFlower\FireFlower\爆炸声4.mid
FireFlower\FireFlower\爆炸声.mid
FireFlower\FireFlower\爆炸声1.mid
FireFlower\FireFlower\爆炸声2.mid
FireFlower\FireFlower\爆炸声3.mid
FireFlower\Audio
FireFlower\src
FireFlower\FireFlower
FireFlower

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