//产生随机数的类
final SuiJiShuClass sjs=new SuiJiShuClass();
final JPanel panel=new JPanel(); //初始化一个JPanel
panel.setBorder(BorderFactory.createTitledBorder("QQ:330936274")); //设置边界
final JTextField testnum1= new JTextField("请输入最小的数",10);//"文本框
final JTextField testnum2= n
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