How to execute java code using shell script?

Question

Possible duplicate "How to run Unix shell script from Java code?".

I would like to know how to execute java code using shell script?

I want to know is :

shell script executes java code.

I don't want to know is

java code executes shell script.

My OS version is cent0s 5.5 (64-bit).

You need to fire up the compiler and then run the JVM. Is this what you want? — nhahtdh
– nhahtdh, Commented Oct 6, 2012 at 3:50
Simple java -jar your_jar.jar or javac your_class would work. or you mean something else? — vikas
– vikas, Commented Oct 6, 2012 at 3:53
@nhahtdh Yes, I want to run .sh file and these file run java program. — Sai Ye Yan Naing Aye
– Sai Ye Yan Naing Aye, Commented Oct 6, 2012 at 3:54

Tom · Accepted Answer · 2012-10-06 03:52:37Z

2

As in, like this you mean?

#!/bin/sh
java -jar your-java-compiled-into-a.jar

answered Oct 6, 2012 at 3:52

Tom

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4 Comments

Sai Ye Yan Naing Aye Over a year ago

According to your answer, do i need to compile java class?

LanguagesNamedAfterCofee Over a year ago

Yes, the JVM can only run bytecode (.class files). You can pack it into a Jar like Tom said.

Tom Over a year ago

If you don't want to compile but still use the JVM you need to avoid java and use one of the scripting languages that can run on the JVM such as ruby (jruby), javascript (rhino), groovy...

glenn jackman Over a year ago

If you don't have a jar, just do java Foo to execute Foo.class

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