| | | |

2014年10月28日

摘要： AtomicLong can make sure at one time only one thread can use itlock can lock a section of a procedure to ensure that only one thread to run the sectio... 阅读全文

posted @ 2014-10-28 23:24 2010120422 阅读(159) 评论(0) 推荐(0)

Java class about file

摘要： RandomAccessFile support random read and writeFileInputStream support input data from a fileFileOutputStream suppot write data into a file 阅读全文

posted @ 2014-10-28 18:55 2010120422 阅读(121) 评论(0) 推荐(0)