1 public class statictest { 2  3      4     String X = "我是非靜態(tài)變量"; 5      6      7     static int butterfly =0; 8     static String staticX = "我是靜態(tài)變量" ; 9     static String staticZ="我也是靜態(tài)變量";10     11     12     statictest(){13         System.out.