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How to use trees 问题

    来源: 互联网  发布时间:2015-05-09

    本文导语:  代码段       tree.getSelectionModel().setSelectionMode             (TreeSelectionModel.SINGLE_TREE_SELECTION); 这句话该如何理解啊  是不是先tree.getSelectionModel()返回 一个对象TreeSelectionModel  然后再是      TreeSelectionModel.se...

代码段 

     tree.getSelectionModel().setSelectionMode
            (TreeSelectionModel.SINGLE_TREE_SELECTION);
这句话该如何理解啊  是不是先tree.getSelectionModel()返回
一个对象TreeSelectionModel  然后再是
     TreeSelectionModel.selectionMode
             (TreeSelectionModel.SINGLE_TREE_SELECTION);呢?
   可是TreeSelectionModel应该是一个interface啊,书上对interface
的定义不是里面的都是空方法体吗????

     还有image的问题  ,比如我要frame.setIconImage()  这里面的
Image该如何定义呢   可以这样吗?   
              ImageIcon image=new ImageIcon("griphics.gif");
              Image image2=image.getImage();
   

        请指点   等待中。。。。。。。

|
常规方法是这样的。
Image image=ToolKit.getDefaultToolKit().getImage(String filename);

    
 
 

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