摘要：
面试中好多次都遇到这样的问题,今天终于搞懂了...class Test03 { public static void main(String[] args) { StringBuffer s = new StringBuffer("good"); StringBuffer s2 = new StringBuffer("bad"); test(s, s2); System.out.println(s);// goodhah System.out.println(s2);// bad } static void test(StringBuffer s, St 阅读全文