Java程序员认证模拟题及详细分析 一.说明:(真实考试) 1.考试形式:网络计算机 2.考题形式:多选,单选,简答 3.题量:60 4.考试时间:120分钟 二.模拟题 1.Which statement about the garbage collection mechanism are true? A. Garbage collection require additional programe code in cases where multiple threads are running. B. The programmer can indicate that a reference through a local variable is no longer of interest. C. The programmer has a mechanism that explicity and immediately frees the memory used by Java objects. D. The garbage co