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Q&A for How to Set Up Your Java_Home Path in Ubuntu
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QuestionStep 8 says to "export PATH ." Should I include the "."? There is no "." in Step 6.Top AnswererYou should not include the trailing period.
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QuestionWhat should I do if my path is showing JAVA_HOME=/usr/lib/jvm/java-8-oracle?Community AnswerThen Java is already installed in your system. You can change the current JAVA_HOME if you want to update it.
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QuestionHow do I update Java using a command?PinguTop AnswererIf you installed Java from APT, as is usually done on Ubuntu, you need to find which exact Java package you installed first. It's usually either some Oracle JDK or GCJ. You can use "dpkg --get-selections" to list all packages and the "grep" command to find the package in it. Then, you should write "sudo apt-get install --only-upgrade packageName", with packageName being the name of the package you found.
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QuestionHow do I know if my Java home path in Ubuntu is set up correctly?Community AnswerType 'echo $JAVA_HOME' into the terminal and it should give you the correct path.
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