jvm 257

  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. Difference between thread's context class loader and normal classloader
  17. How to get a thread and heap dump of a Java process on Windows that's not running in a console
  18. PermGen elimination in JDK 8
  19. Get a List of all Threads currently running in Java
  20. What does JVM flag CMSClassUnloadingEnabled actually do?
  21. Java “Virtual Machine” vs. Python “Interpreter” parlance?
  22. Can Java 8 code be compiled to run on Java 7 JVM?
  23. Java: int array initializes with nonzero elements
  24. How do you crash a JVM?
  25. Does the JVM prevent tail call optimizations?
  26. Android java.exe finished with non-zero exit value 1
  27. Why does the JVM still not support tail-call optimization?
  28. GC overhead limit exceeded
  29. On Performance and Java Interoperability: Clojure vs. Scala
  30. Override Java System.currentTimeMillis for testing time sensitive code
  31. Debug a java application without starting the JVM with debug arguments
  32. How to lock compiled Java classes to prevent decompilation?
  33. CATALINA_OPTS vs JAVA_OPTS - What is the difference?
  34. Installing Android Studio, does not point to a valid JVM installation error
  35. How to see JIT-compiled code in JVM?
  36. When multiple java programs run on the same machine
  37. Is there a low-level difference between int[large][small] or int[small][large] in Java?
  38. Android Gradle Could not reserve enough space for object heap
  39. How do I properly set the permgen size?
  40. Can the JVM GC move objects in the middle of a reference comparison, causing a comparison to fail even when both sides refer to the same object?
  41. Too many open files: how many are open, what they are, and how many can the JVM open
  42. What can you not do on the Dalvik VM (Android's VM) that you can in Sun VM?
  43. What are the differences between LLVM and java bytecode?
  44. Is there one JVM per Java application?
  45. Duplicated Java runtime options : what is the order of preference?
  46. Why doesn't Sun do a C# to Java byte code compiler?
  47. What is Java written in?
  48. Is there a maximum number you can set Xmx to when trying to increase jvm memory?
  49. What makes hot deployment a “hard problem”?
  50. How to tune Tomcat 5.5 JVM Memory settings without using the configuration program