Linux下安装 Java
2021-05-14 06:27
标签:i686 lda arc 在线 doc 文件 root color roo 一、在线下载 Java JDK 环境 (1)搜索 yum 库有什么 JDK 版本 (2)根据自己的需要选择下载库中对应版本的JDK 二、进入JDK目录中 三、设置Java的环境变量 在profile文件末尾追加上如下信息: 让配置文件生效 四、查看Java环境是否设置成功 看到版本信息之后,我们知道Java环境已经配置好了呀 ~ Linux下安装 Java 标签:i686 lda arc 在线 doc 文件 root color roo 原文地址:https://www.cnblogs.com/xiaowei123/p/13125916.html[root@localhost ~]# yum search java | grep jdk
ldapjdk-javadoc.noarch : Javadoc for ldapjdk
java-1.6.0-openjdk.x86_64 : OpenJDK Runtime Environment
java-1.6.0-openjdk-demo.x86_64 : OpenJDK Demos
java-1.6.0-openjdk-devel.x86_64 : OpenJDK Development Environment
java-1.6.0-openjdk-javadoc.x86_64 : OpenJDK API Documentation
java-1.6.0-openjdk-src.x86_64 : OpenJDK Source Bundle
java-1.7.0-openjdk.x86_64 : OpenJDK Runtime Environment
java-1.7.0-openjdk-accessibility.x86_64 : OpenJDK accessibility connector
java-1.7.0-openjdk-demo.x86_64 : OpenJDK Demos
java-1.7.0-openjdk-devel.x86_64 : OpenJDK Development Environment
java-1.7.0-openjdk-headless.x86_64 : The OpenJDK runtime environment without
java-1.7.0-openjdk-javadoc.noarch : OpenJDK API Documentation
java-1.7.0-openjdk-src.x86_64 : OpenJDK Source Bundle
java-1.8.0-openjdk.i686 : OpenJDK Runtime Environment 8
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[root@localhost opt]# yum install java-1.8.0-openjdk
[root@localhost jvm]# cd /usr/lib/jvm
[root@localhost jvm]# ls
java-1.8.0-openjdk-1.8.0.252.b09-2.el7_8.x86_64
jre
jre-1.8.0
jre-1.8.0-openjdk
jre-1.8.0-openjdk-1.8.0.252.b09-2.el7_8.x86_64
jre-openjdk
[root@localhost jvm]# vim /etc/profile
#Java environment
JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.252.b09-2.el7_8.x86_64
JRE_HOME=$JAVA_HOME/jre
CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
export JAVA_HOME JRE_HOME CLASS_PATH PATH
[root@localhost jvm]# source /etc/profile
[root@localhost jvm]# java -version
openjdk version "1.8.0_252"
OpenJDK Runtime Environment (build 1.8.0_252-b09)
OpenJDK 64-Bit Server VM (build 25.252-b09, mixed mode)
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