How to check whether java is installed in centos

Method 1: You can view it through the [java -version] command. If the output information displays the jdk version number, it means that java

java -version

# is installed

##Method 2: You can view it through the rpm command. If the output information contains java-related files, it also means that java is installed.

rpm -qa | grep java

Recommended tutorial:

centos tutorial

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