安装与设置unbuntu java环境的方法
安装jre 1)sudo apt-get install sun-java5-jre 安装jdk 2)sudo apt-get install sun-java5-jdk 我的源如下： deb http://cn.archive.ubuntu.com/ubuntu/ dapper main restricted deb-src http://cn.archive.ubuntu.com/ubuntu/ dapper main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://cn.archive.ubuntu.com/ubuntu/ dapper-updates main restricted deb-src http://cn.archive.ubuntu.com/ubuntu/ dapper-updates main restricted ## Uncomment the following two lines to add software from the 'universe' ## repository. ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## universe WILL NOT receive any review or updates from the Ubuntu security ## team. # deb http://cn.archive.ubuntu.com/ubuntu/ dapper universe # deb-src http://cn.archive.ubuntu.com/ubuntu/ dapper universe ## Uncomment the following two lines to add software from the 'backports' ## repository. ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. # deb http://cn.archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse # deb-src http://cn.archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse deb http://security.ubuntu.com/ubuntu dapper-security main restricted deb-src http://security.ubuntu.com/ubuntu dapper-security main restricted # deb http://security.ubuntu.com/ubuntu dapper-security universe # deb-src http://security.ubuntu.com/ubuntu dapper-security universe # deb http://tonelli.sns.it/pub/mplayer/etch ./ # The Opera browser (packages) #deb http://deb.opera.com/opera etch non-free #deb ftp://ftp.nerim.net/debian-marillat/ stable main # (00:24:00) AnThOnYhO: 这三个是w32codecs的源 #deb ftp://ftp.nerim.net/debian-marillat/ sarge main #deb ftp://ftp.nerim.net/debian-marillat/ sid main #deb ftp://ftp.nerim.net/debian-marillat/ etch main #deb http://debian.cn99.com/ubuntu-cn dapper main 3)环境变量设置： sudo update-alternatives --config java 选择 3 sun 4）测试： 输入 java -version 会出现java版本 编写个helloworld程序 public class HelloWorld{ public static void main(String[] args){ System.out.println("hello world!"); } } 编译：javac HelloWorld.java 执行：java HelloWorld 输出 ： hello world ! 恭喜你 ！！！！安装成功
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安装与设置unbuntu java环境的方法
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