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java Programming Glossary: machineReasons of getting a java.lang.VerifyError http://stackoverflow.com/questions/100107/reasons-of-getting-a-java-lang-verifyerror HPUX the same error occurs. Also an automated testing machine running ubuntu shows the same error during server startup. The..
Java maximum memory on Windows XP http://stackoverflow.com/questions/171205/java-maximum-memory-on-windows-xp ... Today I tried the same option on a new Windows XP machine using Java 1.5_16 and 1.6.0_07 and got the error Error occurred.. space for object heap Could not create the Java virtual machine. Through trial and error it seems 1200 megabytes is the most.. it seems 1200 megabytes is the most I can allocate on this machine. Any ideas why one machine would allow 1400 and another only..
How to implement a single instance Java application? http://stackoverflow.com/questions/177189/how-to-implement-a-single-instance-java-application than Expected results of getLocalHost return IP address of machine vs. Actual results return 127.0.0.1 . it is surprising to have..
Eclipse - no Java (JRE) / (JDK) … no virtual machine http://stackoverflow.com/questions/2030434/eclipse-no-java-jre-jdk-no-virtual-machine no Java JRE JDK &hellip no virtual machine I am trying to get Eclipse Galileo to re run on my computer.. must be available in order to run Eclipse. No Java virtual machine was found after searching the following locations C eclipse..
What is the difference between JSF, Servlet and JSP? http://stackoverflow.com/questions/2095397/what-is-the-difference-between-jsf-servlet-and-jsp Pages JSP is a Java view technology running on the server machine which allows you to write template text in the client side languages.. programming interface API running on the server machine which can intercept on the requests made by the client and can..
Setting multiple jars in java classpath http://stackoverflow.com/questions/219585/setting-multiple-jars-in-java-classpath to platform and even from moment to moment on the same machine. A well constructed application should not depend upon any particular..
How do I programmatically compile and instantiate a Java class? http://stackoverflow.com/questions/2946338/how-do-i-programmatically-compile-and-instantiate-a-java-class . This only requires the JDK being installed at the local machine on top of JRE. Here's a basic kickoff example leaving obvious..
Fastest way to determine if an integer's square root is an integer http://stackoverflow.com/questions/295579/fastest-way-to-determine-if-an-integers-square-root-is-an-integer result of Math.sqrt is not necessary at least not on my machine. The John Carmack hack was faster but it gave incorrect results..
How can a Java program get its own process ID? http://stackoverflow.com/questions/35842/how-can-a-java-program-get-its-own-process-id Returns the name representing the running Java virtual machine. The returned name string can be any arbitrary string and a.. name string can be any arbitrary string and a Java virtual machine implementation can choose to embed platform specific useful..
How to deal with “java.lang.OutOfMemoryError: Java heap space” error (64MB heap size) http://stackoverflow.com/questions/37335/how-to-deal-with-java-lang-outofmemoryerror-java-heap-space-error-64mb-heap the 5.0 Java Virtual Machine and others saying on Windows machine the JVM defaults max heap size as 64MB. Given this situation..
How do I write a correct micro-benchmark in Java? http://stackoverflow.com/questions/504103/how-do-i-write-a-correct-micro-benchmark-in-java noise in your measurements. Run your benchmark on a quiet machine and run it several times discarding outliers. Use Xbatch to..
How to get a list of current open windows/process with Java? http://stackoverflow.com/questions/54686/how-to-get-a-list-of-current-open-windows-process-with-java do I get the current open windows or process of a local machine using Java What I'm trying to do is list the current open task..
Why is subtracting these two times (in 1927) giving a strange result? http://stackoverflow.com/questions/6841333/why-is-subtracting-these-two-times-in-1927-giving-a-strange-result id The code above produces no output on my Windows machine. So any time zone which has any offset other than its standard..
Does the JVM prevent tail call optimizations? http://stackoverflow.com/questions/105834/does-the-jvm-prevent-tail-call-optimizations Currently there is some work going on in the Da Vinci Machine project. The tail call subproject's status is listed as proto..
What is the difference between NoClassDefFoundError and ClassNotFoundException? http://stackoverflow.com/questions/1457863/what-is-the-difference-between-noclassdeffounderror-and-classnotfoundexception found. For NoClassDefFoundError Thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of.. is an Error and it arises from the Java Virtual Machine having problems finding a class it expected to find. A program..
What is the difference between JDK and JRE? http://stackoverflow.com/questions/1906445/what-is-the-difference-between-jdk-and-jre Java Runtime Environment. It is basically the Java Virtual Machine where your Java programs run on. It also includes browser plugins..
JAVA: How to scale threads according to cpu cores? http://stackoverflow.com/questions/1980832/java-how-to-scale-threads-according-to-cpu-cores the number of processes available to the Java Virtual Machine by using the static Runtime method availableProcessors . Once..
Java user.home is being set to %userprofile% and not being resolved http://stackoverflow.com/questions/2134338/java-user-home-is-being-set-to-userprofile-and-not-being-resolved sun.os.patch.level java.vm.specification.name Java Virtual Machine Specification user.dir C Users politesp Desktop java.runtime.version..
Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean? http://stackoverflow.com/questions/250517/java-se-6-vs-jre-1-6-vs-jdk-1-6-what-do-these-mean just in time compiler that is built in to the Java Virtual Machine. God only knows why Sun gives it a separate version number...
What is the exact meaning of Runtime.getRuntime().totalMemory() and freeMemory()? http://stackoverflow.com/questions/3571203/what-is-the-exact-meaning-of-runtime-getruntime-totalmemory-and-freememory Returns the amount of free memory in the Java Virtual Machine. Calling the gc method may result in increasing the value returned..
How to deal with “java.lang.OutOfMemoryError: Java heap space” error (64MB heap size) http://stackoverflow.com/questions/37335/how-to-deal-with-java-lang-outofmemoryerror-java-heap-space-error-64mb-heap quick research I found Ergonomics in the 5.0 Java Virtual Machine and others saying on Windows machine the JVM defaults max heap..
http://stackoverflow.com/questions/4371505/gc-overhead-limit-exceeded improve this question From Java SE 6 HotSpot tm Virtual Machine Garbage Collection Tuning the following Excessive GC Time and..
How is the default java heap size determined? http://stackoverflow.com/questions/4667483/how-is-the-default-java-heap-size-determined class machines. From Ergonomics in the 5.0 JavaTM Virtual Machine In the J2SE platform version 5.0 a class of machine referred..
What type of memory (Heap or Stack) String constant pool in Java gets stored? http://stackoverflow.com/questions/4918399/what-type-of-memory-heap-or-stack-string-constant-pool-in-java-gets-stored is technically neither. According to the Java Virtual Machine Specification the area for storing string literals is in the..
http://stackoverflow.com/questions/540396/why-is-main-in-java-void From the Java Language Specification on Execution Virtual Machine Start Up §12.1.4 The method main must be declared public static..
How do I detect which kind of JRE is installed — 32bit vs. 64bit http://stackoverflow.com/questions/807263/how-do-i-detect-which-kind-of-jre-is-installed-32bit-vs-64bit IBM J9 VM java.vm.specification.name Java Virtual Machine Specification java.vm.specification.vendor Sun Microsystems.. 64 Bit Server VM java.vm.specification.name Java Virtual Machine Specification java.vm.specification.vendor Sun Microsystems.. GNU libgcj java.vm.specification.name Java tm Virtual Machine Specification java.vm.specification.vendor Sun Microsystems..
Java Memory explained (SUN JVM) http://stackoverflow.com/questions/858250/java-memory-explained-sun-jvm garbage collection Sun Turbo charging Java HotSpot Virtual Machine v1.4.x to Improve the Performance and Scalability of Application..
No-throw VirtualMachineError guarantees http://stackoverflow.com/questions/8728866/no-throw-virtualmachineerror-guarantees throw VirtualMachineError guarantees I've come to Java from C . In the C world we.. can throw which kinds of exceptions but the VirtualMachineError error presents a problem. Quoth the JLS an internal error.. language in this case an instance of a subclass of VirtualMachineError is thrown. The JLS says no more about VirtualMachineError..
Differences betweeen Exception and Error http://stackoverflow.com/questions/912334/differences-betweeen-exception-and-error changed after the compilation of the former class. VirtualMachineError Thrown to indicate that the Java Virtual Machine is broken.. Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue..
Efficiency of Java “Double Brace Initialization”? http://stackoverflow.com/questions/924285/efficiency-of-java-double-brace-initialization making a single object. Considering that the Java Virtual Machine will need to read all those classes when using them that can..
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