Solution for “Could not create the Java Virtual Machine” issue

 
If you get the below error message while executing java program
 

Error:Could not create the Java Virtual Machine.
Error:A fatal exception has occurres.Program will exit.

 
To resolve this issue, following steps are needed to be followed (on Windows XP, Windows 7, Windows 8):

• Right Click on My Computer Icon and click on Properties
• Click on Advanced Systems Settings
• Then Environment Variables
• Under System Variables, click New
• In which give Variable Name as: _JAVA_OPTIONS
• Variable Value: -Xmx1024m
• Click OK

That’s it, now your Java program should execute properly.

 
Note:
Heap size allocated by the JVM by default can be Increased/Modified by using Java -Xmx/s command line options.

Where
-Xms        set initial Java heap size
-Xmx        set maximum Java heap size

Click here to know about getting JVM heap size, used memory, total memory using Java Runtime programatically.