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java´°ÌåÎÊÌ⣿ - Java / Java SE

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public class Apple
{
JFrame from1 = new JFrame("´°Ìå1");
JFrame from2 = new JFrame("´°Ìå2");

JPanel pan = new JPanel();
JButton but = new JButton("´ò¿ª");

public Apple()
{
but.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0)
{
if(arg0.getSource() == but)
{
from2.setSize(200, 200);
from2.setVisible(true);
}
}
});

this.pan.add(but);
from1.setLayout(new BorderLayout());
from1.add(this.pan);
from1.setSize(300, 300);
from1.setVisible(true);
}

public static void main(String[] args)
{
new Apple();
}
}


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