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csdn
11 年
急!!java布局问题,总是提示wrong parent for CardLayout,刚学java,菜鸟 ...
请注意 class JPanel2 extends JPanel这一块代码: 我的JP2_1、JP2_2装进JP2_Display里面去了啊,JP2_Display定义为CardLayout . 我查到 CardLayout ...
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