摘要：The most common concurrency problem I've seen, is not realizing that a field written by one thread is not guaranteed to be seen by a different thread. 阅读全文

摘要：http://algorithms.tutorialhorizon.com/binary-min-max-heap/ 阅读全文

摘要：如何将字串 String 转换成整数 int? int i = Integer.valueOf(my_str).intValue(); int i=Integer.parseInt(str); 如何将字串 String 转换成Integer ?Integer integer=Integer.valu 阅读全文