install jdk in linux
2011-12-06 15:10
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install jdk in linux
1.JDK1.6安装准备从sun公司网站www.sun.com下载linux版本的jdk,我下载的版本是JDK 6 Update 7,
地址http://java.sun.com/javase/downloads/index.jsp
jdk-6u7-linux-i586.bin,打开终端,用cd命令进入jdk所在目录,执行复制命令
sudo cp jdk-6u7-linux-i586.bin /usr
即将jdk复制到/usr目录下,然后进入/usr目录cd /usr
执行权限
chmod +x jdk-6u7-linux-i586.bin
执行安装命令
./jdk-6u7-linux-i586.bin
如遇错误,可先切换至root用户下,su root,再执行安装命令
安装成功会在/usr目录下生成jdk1.6.0_07目录,就是jdk的安装目录
重启电脑,打开终端,输入java -version
如若有显示java的版本信息,则表示安装成功,
2.JDK1.6安装后的配置
安装成功后需要配置jdk环境变量
用cd命令进入/etc目录sudo vi profile即执行编辑profile文件命令
在umas k022前添加如下内容:
export JAVA_HOME=/usr/jdk1.6.0_07
export JRE_HOME=/usr/jdk1.6.0_07/jre
export PATH=$PATH:/usr/jdk1.6.0_07/bin
export CLASSPATH=./:/usr/jdk1.6.0_07/lib:/usr/jdk1.6.0_07/jre/lib
保存退出,重启电脑
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