摘要：
先来看个有意思的题目： 1 public class Test { 2 public static void main(String args[]){ 3 StringBuilder test = new StringBuilder("aa"); 4 Change(test); 5 System.out.println(test.toString()); 6 } 7 8 private static void Change(StringBuilder test) { 9 test = new String... 阅读全文
