Difference between JAR and WAR files in Java
- Vrunda Parikh
- Feb 13, 2023
- 1 min read
# | JAR | WAR |
1. | Stands for Java ARchive | Stands for Web application ARchive |
2. | Contain libraries, resources and accessories files like property files. | Used to combine JSPs, servlets, Java class files, XML files, Javascript libraries, JAR libraries, static web pages, and any other resources needed to run the application. |
3. | Contains .class file, manifest file and application resources like images, sound clips, and security certificates | Contains html, js, css, .class, jsp and servlets pages |
4. | Used for working with any kind of application | Used for working on web applications |
5. | To execute a JAR file, simple JDK is enough. | To execute a WAR file, a Web server or Web container is required, for example, Tomcat/ Weblogic/ Websphere/ Jetty/ GlassFish |
Conclusion
The main difference between JAR and WAR Files is their content. The JAR files are the files that have Java class files, associated metadata and resources aggregated into a single file to execute a Java application. Whereas, the WAR files are the files that contain Servlet, JSP, HTML, JavaScript and other files necessary for developing web applications.
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