Abstract: Sun Microsystems introduced the Java HotSpot Virtual Machine as a high performance engine for the Java programming language. The improvements over the classic Java Virtual Machine include ...

When compiling and running the test case below with JDK21 using Hotspot and OpenJ9, the program behaves differently. When using Hotspot, the program executes successfully. When using OpenJ9, the ...

now we can double click run the jar software whith new java version ,but there some bugs: can't open the controlpanel in system seting ,perhaps need replace whole dir ? did jenv have any other ways to ...