摘要：A file's status is 3-valued: So !Files.exists(path) != Files.notExists(path). If both exists and notExists return false, the existence of the file can 阅读全文

摘要：Using BigDecimal to perform precise calculations with floats. BigDecimal is a class type. So declare/construct one BigDecimal is in the form like: Do 阅读全文

摘要：I/O Streams, it simplifies I/O operations, write a whole object out to stream & read back. File I/O and file system operations, including random acces 阅读全文

摘要：Java learning scripts 阅读全文

摘要：I been confused years ago. Till recently I collected my thoughts together, and now I am clear about UNICODE. My company is using WinXP Simplified Chin 阅读全文