SCJP垃圾收集的问题....
joo 2002-07-11 05:21:35 问题是:Give the code snippet blew ,how many object are eligble for
garbage collection at line 108?
100 String prduct;
101 String newProduct = new String("JCertify");
102 newProduct = new String("eMonogram");
103 product = new String("TogetherJ");
104 String temp = product;
105 product = null;
106 int i;
107 i = 1;
108 while (i != 0);
我觉得是2个,
1运行到102 newProduct = new String("eMonogram");时
101的 new String("JCertify");被收集。
2运行到105 product = null;时
103行的 new String("TogetherJ");被收集。
可是答案是1个被回收,为什么呢??
还有:-12的二进制码是多少呢