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Chapter 4. Installing Prerequisite Components
4.1. Install Open JDK on Red Hat Enterprise Linux 复制链接链接已复制到粘贴板!
复制链接链接已复制到粘贴板!
Procedure 4.1. Install Open JDK on Red Hat Enterprise Linux
Subscribe to the Base Channel
Obtain the OpenJDK from the RHN base channel. (Your installation of Red Hat Enterprise Linux is subscribed to this channel by default.)Install the Package
Use the yum utility to install OpenJDK:yum install java-1.7.0-openjdk-devel
Verify that OpenJDK is Now Your System Default
You can ensure the correct JDK is set as the system default by following the steps below.- As root, run the alternatives command for
java
:/usr/sbin/alternatives --config java
/usr/sbin/alternatives --config java
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/usr/lib/jvm/jre-1.7.0-openjdk/bin/java
. - Then do the same for
javac
:/usr/sbin/alternatives --config javac
/usr/sbin/alternatives --config javac
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/usr/lib/jvm/java-1.7.0-openjdk/bin/javac
.