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1,Java代码区域的字体大小和颜色：
window -- Preferences -- General -- Appearance -- Colors And Fonts -- Java -- Java Edit Text Font
2,控制台
window -- Preferences -- General -- Appearance -- Colors And Fonts -- Debug -- Console font
3,其他文件
window -- Preferences -- General -- Appearance -- Colors And Fonts -- Basic -- Text Font
4,窗体给弄乱了，怎么办?
window -- Perspective -- Reset Perspective
5,控制台找不到了，怎么办?
Window--Show View—Console
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