How do I set the default Java installation/runtime (Windows)?

Question

I\'m in the situation where I\'ve installed the JDK, but I can\'t run applets in browsers (I may not have installed the JRE).

However, when I install the JRE, it clo

Answer 1

an alterable way to run an .jar app is create an .bat cmd for it. for example, you have jre10 and jre8 installed on your pc,and jre10 is your default jre. but your jar is specified to work with jre8,following cmd will work:

"C:\Program Files\Java\jre1.8.0_181\bin\java.exe" -jar JabRef-4.3.1.jar