java课程设计

java课程设计简易有声计算器packagezhang.java;importjavax.swing.*;importjava.awt.event.*;importjava.awt.*;importjava.math.BigDecimal;importjava.io.File;importjava.applet.*;importjava.net.MalformedURLException;classSoundThreadimplementsRunnable{AudioClipchosenClip;staticbooleanisplay=true;staticbooleanflag=tr