How to Run Executable Java (.jar) Files in Windows



Introduction

Hi guys, this is Jude from Aesthetics. In this quick tutorial, I’ll be showing you how to run or open a Java file in Windows if you’re having trouble doing so by double-clicking on the jar file.

Changing Java File Settings

To start, I’ll be using a Java file named Fitz task quando Java that is used for modeling feed flow in one dimension. Sometimes, Java files may not appear as expected, and may open with WinRAR instead of Java. To fix this, follow these steps:

  1. Open File Explorer and go to the View tab.
  2. Select “Options” and then “Change folder and search options”.
  3. Under the View tab, uncheck “hide extensions for known file types”.

Setting Default Program

To set Java as the default program for opening Java files, follow these steps:

  1. Right-click on the Java file.
  2. Select “Open with” and then “Choose another app”.
  3. Choose Java platform as a binary and check “always use this app to open jar files”.

Fixing Double-Click Issue

If double-clicking on the Java file still does nothing, follow these steps:

  1. Create a new text document with a .bat extension.
  2. Edit the file and type in “Java -jar filename.jar”.
  3. Save and close the file. Double-clicking on the .bat file should now open the Java application.

I hope this tutorial was helpful for you. If you found it useful, give it a thumbs up and share it with others who may need this information. Don’t forget to subscribe for more tech support videos. Thanks for watching!


How to Run .jar Files in Windows: A Step-by-Step Guide

What are .jar Files?

Java Archive files, or .jar files, are compressed files that contain Java class files and resources. These files are commonly used to distribute Java applications or libraries. You can run .jar files on any platform that has the Java Runtime Environment (JRE) installed, including Windows.

Step 1: Install Java Runtime Environment (JRE)

Before you can run .jar files on your Windows computer, you need to have the Java Runtime Environment (JRE) installed. You can download the latest version of the JRE from the official Oracle website. Follow the installation instructions provided on the website to install the JRE on your computer.

Step 2: Associate .jar Files with Java

By default, .jar files are not associated with Java on Windows. To run .jar files, you need to associate them with Java. Right-click on a .jar file, select "Open with," and then choose Java(TM) Platform SE binary from the list of programs. If you do not see Java in the list of programs, navigate to the Java installation directory (usually located in Program Files) and select javaw.exe.

Step 3: Run .jar Files from the Command Line

If you prefer to run .jar files from the command line, you can use the java -jar command. Open the Command Prompt, navigate to the directory containing the .jar file, and run the following command:

java -jar yourfile.jar

Replace "yourfile.jar" with the name of the .jar file you want to run. This command will execute the .jar file using the Java Virtual Machine (JVM).

Step 4: Create a Desktop Shortcut

To make it more convenient to run .jar files, you can create a desktop shortcut. Right-click on your desktop, select "New," and then choose "Shortcut." In the "Type the location of the item" field, enter the following command:

javaw -jar C:pathtoyourfile.jar

Replace "C:pathtoyourfile.jar" with the full path to the .jar file you want to run. Click "Next," give your shortcut a name, and then click "Finish."

Step 5: Run .jar Files with Double-Click

Once you have associated .jar files with Java and created a desktop shortcut, you can run .jar files with a simple double-click. Double-click on the .jar file you want to run, and it should open and execute in the Java Virtual Machine.

By following these simple steps, you can easily run executable Java (.jar) files on your Windows computer. Whether you prefer using the command line or running .jar files with a double-click, these methods will allow you to run Java applications and libraries with ease.

How to Run Executable Java (.jar) Files in Windows

Running executable Java (.jar) files in Windows is a simple process that can be done through the command prompt. First, open the command prompt by typing “cmd” into the Windows search bar and pressing enter. Next, navigate to the directory where the .jar file is located using the “cd” command. Once in the correct directory, type “java -jar filename.jar” to run the executable Java file.

Executing Java (.jar) Files with Java Runtime Environment (JRE)

To ensure that you are able to run executable Java files on your Windows system, you will need to have Java Runtime Environment (JRE) installed. JRE is necessary to interpret and run Java programs, including .jar files. You can download and install the latest version of JRE from the official Oracle website. Once JRE is installed, you can simply double-click on the .jar file to run it or use the command prompt method mentioned earlier.

Conclusion

In conclusion, running executable Java (.jar) files in Windows is a straightforward process that can be done through the command prompt or by double-clicking on the file. By following the steps outlined in this article, you can easily execute Java files on your Windows system with just a few simple commands. Make sure to have Java Runtime Environment (JRE) installed to ensure that you can run .jar files smoothly. With these tips, you’ll be able to run Java programs effortlessly on your Windows machine.

Source: Youtube Video https://www.youtube.com/watch?v=ifBlevULGtM of Channel EasyTechs.