String StringBuffer StringBuild作为参数传递
摘要:
public static void main(String[] args) { String s1 = "hello"; String s2 = "world"; System.out.println(s1 + " " + s2);// hello world change(s1, s2); Sy 阅读全文
posted @ 2016-04-21 17:29 java外行 阅读(379) 评论(0) 推荐(0) 编辑