How to request JVM garbage collection (not from code) when run from Windows command-line

Question

how could I request Java garbage collection externally, starting the program from JAR (Windows BAT used)?

• From the Java code I can do it with System.gc(

Answer 1

You can use jconsole to connect to a JVM that is running locally - This provides a "Perform GC" button on the GUI.

You'll need to specify -Dcom.sun.management.jmxremote when you kick off your java process.