答案 0 :(得分:0)
我尝试过。它适用于a\nb
或a\r\nb
public static void main(String args[]) {
Frame f = new Frame();
f.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
f.setSize(400,400);
f.setLocation(200,200);
f.setVisible(true);
TextArea ta = new TextArea();
ta.setText("a\nb");
f.add(ta);
}