vi /etc/profile
----------------------------------- 加入
CLASSPATH=/usr/local/jdk/lib/tools.jar:/usr/local/jdk/lib:/usr/local/jdk/jre/lib
JAVA_HOME=/usr/local/jdk
PATH=$PATH:/usr/local/jdk/bin export JAVA_HOME CLASSPATH PATH
------------------------------------
----------------------------------- 加入
CLASSPATH=/usr/local/jdk/lib/tools.jar:/usr/local/jdk/lib:/usr/local/jdk/jre/lib
JAVA_HOME=/usr/local/jdk
PATH=$PATH:/usr/local/jdk/bin export JAVA_HOME CLASSPATH PATH
------------------------------------
echo $PATHecho $CLASSPATH
安装好后可以在/usr/java下找到j2sdk1.4.0
然后设置路径
打开/etc/profile文件在末尾加上下面几行
#java
JAVA_HOME=/usr/java/j2sdk1.4.0
export JAVA_HOME
CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export CLASSPATH
PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin
export PATH
然后在你的用户目录下的.bashrc中加入
JAVA_HOME=/home/j2sdk1.4.1
export JAVA_HOME
PATH=$PATH:$JAVA_HOME/bin
export PATH
最后重新启动机器,在终端运行java -version就可以看到
java version "1.4.0"字样
这样表示你已经安装并配置好了可以在终端中运行java,javac命令
然后source /etc/profile或source ~/.bashrc即可