JOptionPane

JOptionPane.showMessageDialog(null, "你好吗");

JOptionPane.showMessageDialog(null, "你好吗",null,JOptionPane.WARNING_MESSAGE);

         JOptionPane.showMessageDialog(null, "你好吗",  "标题",JOptionPane.ERROR_MESSAGE);

         JOptionPane.showMessageDialog(null, "你好吗",  "标题",JOptionPane.PLAIN_MESSAGE);

         intn = JOptionPane.showConfirmDialog(null,  "你高兴吗?", "标题",JOptionPane.YES_NO_OPTION);//i=0/1 

         Object[] options ={ "好啊！", "去一边！" }; 

         intm = JOptionPane.showOptionDialog(null, "我可以约你吗？", "标题",JOptionPane.YES_NO_OPTION, 

JOptionPane.QUESTION_MESSAGE, null, options,  options[0]);

 

yes 返回 0，no返回 1；

         Object[] obj2 ={ "足球", "篮球", "乒乓球" }; 

         String s = (String)  JOptionPane.showInputDialog(null,"请选择你的爱好:\n", "爱好", JOptionPane.PLAIN_MESSAGE,null , obj2, null);

 

         String a =  (String)JOptionPane.showInputDialog(null,"请输入你的爱好：\n","title",JOptionPane.PLAIN_MESSAGE,null,null,"请在这里输入");

可以加一句打输出你输入的内容；