Top "Jvm" questions

The Java Virtual Machine (JVM) enables a set of computer software programs and data structures to use a virtual machine model for the execution of other computer programs and scripts.

What are the -Xms and -Xmx parameters when starting JVM?

Please explain the use of Xms and Xmx parameters in JVMs. What are the default values for them?

java memory-management parameters jvm
How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version

I am trying to use Notepad++ as my all-in-one tool edit, run, compile, etc. I have JRE installed, and I …

java jvm incompatibility unsupported-class-version
How to deal with "java.lang.OutOfMemoryError: Java heap space" error?

I am writing a client-side Swing application (graphical font designer) on Java 5. Recently, I am running into java.lang.OutOfMemoryError: …

java jvm out-of-memory heap-memory
Could not reserve enough space for object heap

I am getting the following exception repeatedly each time I try to run the program. Error occurred during initialization of …

java jvm heap
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

How can I tell if the JVM in which my application runs is 32 bit or 64-bit? Specifically, what functions or …

java jvm java-native-interface 64-bit 32-bit
How do I set the proxy to be used by the JVM

Many times, a Java app needs to connect to the Internet. The most common example happens when it is reading …

java proxy jvm
What are the best JVM settings for Eclipse?

What are the best JVM settings you have found for running Eclipse?

eclipse jvm
Eclipse error: 'Failed to create the Java Virtual Machine'

I am getting this error message when I start Eclipse Helios on Windows 7: Failed to create the Java Virtual Machine …

eclipse jvm
How to get a thread and heap dump of a Java process on Windows that's not running in a console

I have a Java application that I run from a console which in turn executes an another Java process. I …

java jvm heap-dump thread-dump