導入Java . awt . gridlayout;
導入javax . swing . jbutton;
導入javax . swing . jframe;
公共類TestJFrame {
公共TestJFrame() {
JFrame frame = new JFrame("這是壹個JFrame ");
frame.getContentPane()。setLayout(new GridLayout(2,4));
for(int I = 1;我& lt= 8;i++)
frame.add(新JButton("+I));
frame . setdefaultcloseoperation(JFrame。EXIT _ ON _ CLOSE);
frame.setSize(300,100);
frame . set visible(true);
}
公共靜態void main(String[] args) {
testj frame a = new testj frame();
}
}