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JAVA_HOME=/jira/java6
      PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin
        CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib/tools.jar:$JAVA_HOME%/lib/dt.jar:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
       setenv JAVA_HOME JAVA_HOME PATH CLASSPATH；

执行source .cshrc使环境生效。

用户类型为bash，则查看用户主目录下.bash_profile文件中是否包含

[root@localhost ~]# vi .bash_profile

JAVA_HOME=/jira/java6
    PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin
    CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib/tools.jar:$JAVA_HOME%/lib/dt.jar:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
    export JAVA_HOME PATH CLASSPATH

source .bash_profile

root用户默认为bash 全局生效可再vi /etc/profile下添加

4.2 版本查看

执行java –version命令

$ java -version

java version "1.6.0_14"

Java(TM) SE Runtime Environment (build 1.6.0_14-b08)

Java HotSpot(TM) Server VM (build 14.0-b16, mixed mode)

4.3 编译测试

#vi test.java

public class test{

Public static void main(String [] args)

{

System.out.print("Hello World!");

}

javac test.java

java test

Hello World!

5 卸载方法

直接在/opt/java下，删除java6目录即可

6 FAQ

若之前安装过旧版jdk，可将旧版本jdk直接卸载，将jdk1.6安装到原jdk目录中。

也可以新旧版本同时存在，而在环境变量中添加新的PATH（此时新JAVA_HOME路径应放在前面）。

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导航

日志

JDK1.6 for Linux 安装启动说明书

1 引言

1.1 目的

1.2 系统介绍

1.3 术语

1.4 参考资料

2 准备工作

2.1 检查是否安装过旧版本jdk

2.2 jdk1.6安装包获取

3 安装方法

4 验证方法

4.1 设置环境变量

4.2 版本查看

4.3 编译测试

5 卸载方法

6 FAQ

历史上的今天

最近读者

热度

评论

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