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How to determine whether jdk is installed in linux

王林
Release： 2019-12-25 10:47:15
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How to determine whether jdk is installed in linux

Method 1: Check whether the jdk environment variable is set

echo $JAVA_HOME；
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Related learning video tutorial sharing: linux video tutorial

Method 2: Check whether the version can be viewed

java -verion
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Method 3: Check the background process

ps -ef|grep java
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Recommended related articles and tutorials:linux tutorial

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