Compiling java program in linux

Question

I have installed openjdk-9-jdk-headless. When I am checking version of the Java then also it gives the appropriate answer. But when I'm compiling any Java program with "$ javac Find.java " it gives:

The program 'javac' can be found in the following packages:
 * default-jdk
 * ecj
 * gcj-5-jdk
 * openjdk-8-jdk-headless
 * gcj-4.8-jdk
 * gcj-4.9-jdk
 * openjdk-9-jdk-headless
Try: sudo apt install <selected package>

Please help how can I compile and run java program.

Ensure that your javac binary is on the path. edit your path variable $PATH:/opt./../jdk/bin — Ramachandran.A.G
– Ramachandran.A.G, Commented Sep 9, 2016 at 5:06

tripleee · Accepted Answer · 2016-09-09 06:33:01Z

1

It's telling you that you do not have the Java compiler installed. It also tells you how to fix this problem.

sudo apt install openjdk-9-jdk-headless

(or one of the other packages it offers as alternatives, at your discretion).

The javac command is distinct from the java command.

answered Sep 9, 2016 at 6:33

tripleee

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paxdiablo · Accepted Answer · 2016-09-09 05:10:16Z

0

Have you configured the path?

export PATH=${PATH}:{path to your jdk bin folder here}

Or use full path to javac while compiling.

edited Sep 9, 2016 at 5:10

paxdiablo

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answered Sep 9, 2016 at 5:09

xCodeZone

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pitaside · Accepted Answer · 2016-09-09 05:21:04Z

0

edit your ~/.bashrc and add this to the end JAVA_HOME=opt./../jdk/ export PATH=$PATH:$JAVA_HOME

save the ~/.bashrc source ~/.bashrc

Try to compile again

answered Sep 9, 2016 at 5:21

pitaside

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2 Comments

Huntro Over a year ago

Wouldn't be /etc/profile.d/<script> a better place?

pitaside Over a year ago

i wont prefer that but u can also put inside the /etc/environment

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