linux 安装JDK

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测试环境 red Hat Linux 5.4

jdk版本 1.7/1.8

jdk下载地址:

http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

使用xftp工具将安装包传送到linux中

 

[root@linuxmain ~]# lsanaconda-ks.cfg  Desktop  install.log  install.log.syslog[root@linuxmain ~]# cd /[root@linuxmain /]# lsbin   dev  home  lost+found  misc  net  proc  sbin     srv  tmp  varboot  etc  lib   media       mnt   opt  root  selinux  sys  usr[root@linuxmain /]# cd usr[root@linuxmain usr]# lsbin    hadoop-2.5.1         java                     kerberos  local  srcetc    hadoop-2.5.1.tar.gz  jdk-7u71-linux-i586.rpm  lib       sbin   tmpgames  include              jdk-8u25-linux-i586.rpm  libexec   share  X11R6[root@linuxmain usr]# rpm -ivh jdk-8u25-linux-i586.rpm  

开始安装 ... ...你将会看到如下的代码界面
 

[root@linuxmain usr]# rpm -ivh jdk-7u71-linux-i586.rpm Preparing...                ########################################### [100%]   1:jdk                    ########################################### [100%]Unpacking JAR files...        rt.jar...        jsse.jar...        charsets.jar...        tools.jar...        localedata.jar...        jfxrt.jar...        plugin.jar...        javaws.jar.

接下来配置环境变量其实环境变量不配置都可以用的但是还是配置上吧

[root@linuxmain ~]# vi .bashrc

 

# .bashrc

# User specific aliases and functions

alias rm='rm -i'alias cp='cp -i'alias mv='mv -i'

# Source global definitionsif [ -f /etc/bashrc ]; then        . /etc/bashrcfiexport JAVA_HOME=/usr/java/jdk1.7.0_71export JRE_HOME=${JAVA_HOME}/jreexport CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/libexport PATH=${JAVA_HOME}/bin:$PATH~                                                                               ~                                                                               ~                                                                               ~                                                                               ~                                                                               ~                                                                               ~                                                                               ".bashrc" 16L, 335C

输入字母i小写的进入编辑状态 完成之后 输入shift+: 输入wq! 保存退出

[root@linuxmain ~]# java -versionjava version "1.7.0_71"Java(TM) SE Runtime Environment (build 1.7.0_71-b14)Java HotSpot(TM) Client VM (build 24.71-b01, mixed mode, sharing)[root@linuxmain ~]#

代表你成功了可以简单的写个测试类测试一下



 

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