Path: csiph.com!x330-a1.tempe.blueboxinc.net!feeder1.hal-mli.net!news.glorb.com!news-out.readnews.com!transit3.readnews.com!news-out.news.tds.net!newsreading01.news.tds.net!86597e80!not-for-mail From: "amarmca2u" Subject: java doubts Message-ID: X-Comment-To: comp.lang.java.databases Newsgroups: comp.lang.java.databases Content-Type: text/plain; charset=IBM437 Content-Transfer-Encoding: 8bit X-Gateway: time.synchro.net [Synchronet 3.15a-Win32 NewsLink 1.92] Lines: 17 Date: Wed, 27 Apr 2011 15:22:21 GMT NNTP-Posting-Host: 96.60.20.240 X-Complaints-To: news@tds.net X-Trace: newsreading01.news.tds.net 1303917741 96.60.20.240 (Wed, 27 Apr 2011 10:22:21 CDT) NNTP-Posting-Date: Wed, 27 Apr 2011 10:22:21 CDT Organization: TDS.net Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.databases:203 To: comp.lang.java.databases hi, what we call a concrete class in java api with out constructors(Like DriverManager)? detail data about protected constructor. Can we have protected class? why all exception classes implementing the serialzible interface? what is the difference between the "A class by defaultly synchronized(Vector)" and "A class which is manuvally synchronized"? --- * Synchronet * The Whitehouse BBS --- whitehouse.hulds.com --- check it out free usenet! --- Synchronet 3.15a-Win32 NewsLink 1.92 Time Warp of the Future BBS - telnet://time.synchro.net:24