How do I run a .jar executable java file from outside NetBeans IDE?

Question

How do I run a .jar executable java file from outside NetBeans IDE? (Windows Vista). My project has a .jar file created by Netbeans. We'd like to run it. Either: how do we run the file or how do we create a 'proper' executable file in NetBeans 6.1?

Answer 1

Running a jar is as simple as

java -jar filename.jar

Answer 2

from a command prompt you can run this command: java -jar your_jar.jar.

Answer 3

You can do it from the command prompt if java isn't in your path by finding the full path to your java install, something like:

C:\java\java.exe -jar C:\jar_you_want_to_run.jar

or if java is in your path:

java.exe -jar jar_you_want_to_run.jar

This will run the jar produced by netbeans.

Answer 4

as Laplie said, java -jar your.jar

EXECUTABLE file : see this thread for answers http://stackoverflow.com/questions/147181/how-can-i-convert-my-java-program-to-an-exe-file

Answer 5

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Answer 6

In the project properties dialog in NetBeans you need to set the Main Class - otherwise the generated .jar will not be executable. Then, as already indicated, either double clicking on the .jar or the command java -jar will start the program.

Answer 7

First, make sure you set the Main Class in your NetBeans project properties dialog.
Then, you can either

• Double-click the jar file (This should work on any machine with an installed JRE)

or

• Make sure that java.exe is in the path (or replace java below with the fullpath and file name of the executable), put the following in a batch file:
  java -jar filename.jar
  Then you can double-click the batch file instead of the jar (useful if you have people unaccustomed to using naked jar files)

OR

• You can go down the path described here http://stackoverflow.com/questions/147181/how-can-i-convert-my-java-program-to-an-exe-file to build a .exe for windows.

Answer 8

One of the best technique to run the jar file or jar jar file step 1. Create the jar file by jar command choose yours jar file name a/c your self 4 exam Java_Jar_File.jar 2. Run the jar file us the command like java -jar Java_Jar_File.jar