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windows常用命令

[ 群組原則 ]
開始 → 執行 → gpedit.msc

[ 惡意軟體移除工具 ]
開始 → 執行 → mrt

[ 機碼 ]
開始 → 執行 → regedit

[ 系統設定公用程式 ]
開始 → 執行 → msconfig

[ 控制client端所有網路設備 ]
開始 → 執行 → cmd → ipconfig
開始 → 執行 → cmd → ipconfig/all

[ 顯示封包經過的路由器的IP位址 ]
開始 → 執行 → cmd → tracert (網址或IP)

2012年6月18日 星期一

Java 各版本的差異


First (JDK 1.0) edition

    Objects. Inheritance. Interfaces. Graphics. AWT. Applets. Data Structures. Streams. Multithreading. Network programming.

Second (JDK 1.02) edition

    Additional topics: Object streams. JDBC. RMI. Native methods.

Third (JDK 1.1) Edition

    Split into a two volume set. Additional topics in volume 1: Inner classes. Events. Printing. JAR files. In volume 2: Security. Signed applets. Advanced AWT. JavaBeans.

Fourth (Java SE 1.2) Edition

    Moved streams to volume 1. Additional topics in volume 1: Swing. Java Plug-In. All examples have been rewritten to use Swing. Additional topics in volume 2: 2D Graphics. Advanced Swing components. Container classes.

Fifth (Java SE 1.3/1.4) Edition

    Rewrite of first six chapters. Proxies. Additional debugging tips. Moved some Swing components from volume 2. Code with line numbers. Figures more UML compliant. More Unix/Linux coverage. Removed corejava package.

Sixth (Java SE 1.4) Edition

    Added coverage of 1.4 features: Logging, regular expressions, NIO file channels, preferences API, Java Web Start,  formatted text fields,  new focus architecture, more events (mouse wheel etc.), new frame functionality, spinners, spring layouts, assertions. Numerous bug fixes and updates throughout all chapters.

Seventh (Java SE 5.0) Edition

    Added coverage of 5.0 features: Generic classes, autoboxing, varargs, enumerated types, annotations, java.util.concurrent. Numerous bug fixes and updates throughout all chapters.

8th (Java SE 6) Edition

    Coverage of Java SE 6 features. Collections and multithreading moved to volume 1. New material on Swing and AWT enhancements, compiler and scripting APIs. Numerous bug fixes and updates throughout all chapters.