Question

java如何做一个把一个界面一分为二,左右大小可调

Answer 1

JFrame frame = ...
JSplitPane split = new JSplitPane();
split.setOrientation(JSplitPane.HORIZONTAL_SPLIT);

JLabel x = new JLabel("左");
JTextField y  = new JTextField("右");
split.add(x);
split.add(y);
frame.getContentPane().add(split);

 

http://download.oracle.com/technetwork/java/javase/6/docs/zh/api/javax/swing/JSplitPane.html#setOrientation(int)

http://docs.oracle.com/javase/tutorial/uiswing/components/splitpane.html