3] Run a Java or JAR file. Now when you double click on the JAR file, it will automatically run like how EXE files execute. If there is a problem with version, the file should inform you.

Open your Java software development kit and start a new project. Depending upon which software development kit you use, the exact steps will be different. Generally, locate "New" in the File menu.

But the fact is, if you open a Java JAR file, you’re really just opening a ZIP file that contains all of the resources a Java app needs to run. ... New Relic for IT monitoring in 2024. Compare Datadog ...