Java命令行:
- javac
- 錯誤: 編碼GBK的不可映射字符:
javac -encoding utf8 YourJavaClass.java
- 錯誤: 編碼GBK的不可映射字符:
- java
- java -Djava.ext.dirs=lib
- java -classpath
- jar
- 環境變量(命令行方式):JAVA_HOME, CLASSPATH, PATH
- JAVA_HOME:
C:\Program Files\Java\jdk1.8.x_xx
JDK的安裝路徑(推薦) - CLASSPATH:
.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar
(JDK1.5+無需設置)
- dt.jar是關於運行環境的類庫,主要是swing的包
- tools.jar是關於一些工具的類庫,編譯和運行時需要:sun.tools.java.; sun.tools.javac.;
- rt.jar包含了jdk的基礎類庫,
- PATH:
%JAVA_HOME%\bin;%PATH%
(必須)
- JAVA_HOME:
- Windows命令行代碼頁切換
chcp 65001
(UTF-8編碼)chcp 936
(GBK編碼)chcp 437
(美國)
JNI
java相關的框架,庫,軟件
- https://github.com/akullpp/awesome-java(GitHub akullpp, 英文)
- http://www.importnew.com/14429.html(中文版,唐尤華 翻譯)
- https://www.zhihu.com/question/34544815(知乎,GitHub 上可供新手閱讀和玩耍的 Java 項目有哪些?)
- https://en.wikipedia.org/wiki/Comparison_of_integrated_development_environments#Java(Java IDE對比)
Java版本
- JDK 1.0 (January 23, 1996)
- JDK 1.1 (February 19, 1997)
- J2SE 1.2 (December 8, 1998)
- J2SE 1.3 (May 8, 2000)
- J2SE 1.4 (February 6, 2002)
- J2SE 5.0 (September 30, 2004)
- Java SE 6 (December 11, 2006)
- Java SE 7 (July 28, 2011)
- Java SE 8 (March 18, 2014)
https://en.wikipedia.org/wiki/Java_version_history(java version history, 2017.01)