jvm 270

  1. How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
  2. How do I write a correct micro-benchmark in Java?
  3. What are the Xms and Xmx parameters when starting JVMs?
  4. How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
  5. Does Java JIT cheat when running JDK code?
  6. Real differences between “java -server” and “java -client”?
  7. What are the best JVM settings for Eclipse?
  8. Why would you ever implement finalize()?
  9. How to deal with “java.lang.OutOfMemoryError: Java heap space” error (64MB heap size)
  10. Java heap terminology: young, old and permanent generations?
  11. What is the difference between JVM, JDK, JRE & OpenJDK?
  12. Class JavaLaunchHelper is implemented in both … libinstrument.dylib. One of the two will be used. Which one is undefined
  13. What actually causes a Stack Overflow error?
  14. How do I set the proxy to be used by the JVM
  15. Could not reserve enough space for object heap
  16. Eclipse error: 'Failed to create the Java Virtual Machine'
  17. What does -XX:MaxPermSize do?
  18. Difference between thread's context class loader and normal classloader
  19. How to get a thread and heap dump of a Java process on Windows that's not running in a console
  20. PermGen elimination in JDK 8
  21. Get a List of all Threads currently running in Java
  22. What does JVM flag CMSClassUnloadingEnabled actually do?
  23. Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
  24. In which language are the Java compiler and JVM written?
  25. JVM option -Xss - What does it do exactly?
  26. How to activate JMX on my JVM for access with jconsole?
  27. Java “Virtual Machine” vs. Python “Interpreter” parlance?
  28. Can Java 8 code be compiled to run on Java 7 JVM?
  29. Java: int array initializes with nonzero elements
  30. How to get vm arguments from inside of java application?
  31. Maximum number of parameters in Java method declaration
  32. Why does this method print 4?
  33. Why does a 4 billion-iteration Java loop take only 2 ms?
  34. How do you crash a JVM?
  35. Memory address of variables in Java
  36. Does the JVM prevent tail call optimizations?
  37. Android java.exe finished with non-zero exit value 1
  38. Why does the JVM still not support tail-call optimization?
  39. GC overhead limit exceeded
  40. On Performance and Java Interoperability: Clojure vs. Scala
  41. Debug a java application without starting the JVM with debug arguments
  42. Override Java System.currentTimeMillis for testing time sensitive code
  43. How to lock compiled Java classes to prevent decompilation?
  44. CATALINA_OPTS vs JAVA_OPTS - What is the difference?
  45. Installing Android Studio, does not point to a valid JVM installation error
  46. How to see JIT-compiled code in JVM?
  47. When multiple java programs run on the same machine
  48. Is there a low-level difference between int[large][small] or int[small][large] in Java?
  49. Android Gradle Could not reserve enough space for object heap
  50. How do I properly set the permgen size?