packagetestDemo1;importjava.awt.Button;importjava.awt.FlowLayout;importjava.awt.Frame;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;publicclassFrameTest{publicstaticvoidmain(String[]args){Framef=newFrame("我的第一个窗口");//该窗口默认不显示f...
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