Description: This exercise produces an example of the piano, as shown in figure 98-1. After the program is executed, create a panel with a simulated piano keyboard. Users can "tap" the keyboard or mouse.
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File list (Check if you may need any files):
练习98模拟钢琴.doc
MPiano.html
dPiano.java
xAU\0.AU
xAU\1.AU
xAU\10.AU
xAU\11.AU
xAU\12.AU
xAU\13.AU
xAU\14.AU
xAU\2.AU
xAU\3.AU
xAU\4.AU
xAU\5.AU
xAU\6.AU
xAU\7.AU
xAU\8.AU
xAU\9.AU
5Piano.class
yIMG\DOWN.GIF
yIMG\UP.GIF
xAU
yIMG
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