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How to view the jdk installation directory in centos system

王林
Release: 2020-03-20 11:32:21
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How to view the jdk installation directory in centos system

The search process when the java command can be executed is as follows:

1. Execute which java

[root@localhost ~]# which java
/usr/bin/java
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(recommended tutorial: centos Tutorial)

2. Execute ls -lrt /usr/bin/java

[root@localhost ~]# ls -lrt /usr/bin/java
lrwxrwxrwx. 1 root root 22 10月 10 08:06 /usr/bin/java -> /etc/alternatives/java
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3. Execute ls -lrt /etc/alternatives/java

[root@localhost ~]# ls -lrt /etc/alternatives/java
lrwxrwxrwx. 1 root root 73 10月 10 08:06 /etc/alternatives/java -> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64/jre/bin/java
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It can be seen from the above that the path of java is: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64. Enter the path to view the file as follows:

[root@localhost ~]# cd /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64
[root@localhost java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64]# ll
总用量 4
drwxr-xr-x. 2 root root 4096 10月 10 14:53 bin
drwxr-xr-x. 3 root root 132 10月 10 14:53 include
drwxr-xr-x. 4 root root  28 10月 10 08:03 jre
drwxr-xr-x. 3 root root 144 10月 10 14:53 lib
drwxr-xr-x. 2 root root 204 10月 10 14:53 tapset
[root@localhost java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64]#
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Related Video tutorial recommendation: linux video tutorial

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