jdk更新至1.8

Posted 2020-10-10

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

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[[email protected] ~]# rpm -qa |grep jdk

java-1.7.0-openjdk-1.7.0.131-2.6.9.0.el6_8.x86_64

java-1.6.0-openjdk-1.6.0.41-1.13.13.1.el6_8.x86_64

[[email protected] ~]# rpm -qa | grep gcj

[[email protected] ~]# rpm -e --nodeps java-1.7.0-openjdk-1.7.0.131-2.6.9.0.el6_8.x86_64

[[email protected] ~]# yum remove java-1.6.0-openjdk-1.6.0.41-1.13.13.1.el6_8.x86_64

[[email protected] ~]# java -version 

-bash: java: command not found

[[email protected] ~]# tar xf jdk-8u144-linux-x64.gz -C /usr/local/

[[email protected] ~]# ls /usr/local/

bin  etc  games  include  jdk1.8.0_144  lib  lib64  libexec  sbin  share  src

[[email protected] ~]# vim /etc/profile.d/java.sh 

JAVA_HOME=/usr/local/jdk1.8.0_144

PATH=$PATH:$JAVA_HOME/bin

CLASSPATH=$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

export JAVA_HOME

export PATH

export CLASSPATH

[[email protected] ~]# 

[[email protected] ~]# source /etc/profile.d/java.sh 

[[email protected] ~]# java -version 

java version "1.8.0_144"

Java(TM) SE Runtime Environment (build 1.8.0_144-b01)

Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)

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