First start by writing a simple Java class with a main method for an application called TecmintApp, for demonstration purpose.
When this flag is used, the specified JAR file is the source of all user classes, and other class path settings are ignored. To do this, you must have java command line tool installed to launche a Java application, and the -jar flag to execute a program encapsulated in a JAR file. This is very useful in unix environment to run the jobs in nohup mode.
In this article, we will show how to create a simple Java application and bundle it into a JAR file, and demonstrate how to execute a. Run class in Jar file In this post, We will learn how to run a Jar file from command prompt with main method and without main method. It also supports packaging for extensions. It allows Java runtimes to efficiently deploy an entire application in one archive file, and provides many benefits such as security, its elements may be compressed, shortening download times, allows for package sealing and versioning, supports portability. Check the option Always use this app to open Jar files. Then select Choose another app and then select it to open with Java Platform SE binary. To execute it on double click paste the path of executable file C:\Program Files\Java\j2rex.y.z\bin\javaw.exe' -jar '1'. This might be trouble if you need to directly run the JAR file for any development or entertainment purpose. However, you cannot directly run jar files on your Windows 10 PC. You can use various zip file extractors like 7Zip to extract these JAR files. jar file type java -jar Jar file Name in the command prompt. JAR files are a java-archive package that contains different java files or java programs. A JAR ( Java ARchive) is platform-independent file format used to aggregate many Java class files and associated metadata and resources such as text, images, etc, into a single file for distribution. Open JAR Files with JAVA Platform SE Binary Right-click the JAR file and select Open with from the context menu. Now that you have made the JAR file executable, you can attach it along with any libraries the program uses.