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How Do I Know If Jdk Is Installed Linux?

David Miller • • 3 min read
How Do I Know If Jdk Is Installed Linux?
Contents

How do I know if I have JDK installed?

You might have either JRE(Java Runtime Environment) which is required to run java applications on the computer or JDK as shown below. 1. Open command prompt and enter “java –version”. If installed version number is displayed.

How do I know where java is installed Linux?

Linux

  1. Check if JAVA_HOME is already set , Open Console. …
  2. Make sure you have installed Java already.
  3. Execute: vi ~/.bashrc OR vi ~/.bash_profile.
  4. add line : export JAVA_HOME=/usr/java/jre1.8.0_04.
  5. save the file.
  6. source ~/.bashrc OR source ~/.bash_profile.
  7. Execute : echo $JAVA_HOME.
  8. Output should print the path.
David Miller
Author

David Miller

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.