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java Programming Glossary: worseJava Refuses to Start - Could not reserve enough space for object heap http://stackoverflow.com/questions/1058471/java-refuses-to-start-could-not-reserve-enough-space-for-object-heap would be fine. The problem has recently gotten much worse. All of our jobs which request a max heap size of 2048m fail..
What does 'synchronized' mean? http://stackoverflow.com/questions/1085709/what-does-synchronized-mean thread 1 may not see the change thread 2 made to foo or worse it may only be half changed. This would not be what you logically..
Why are these == but not `equals()`? http://stackoverflow.com/questions/1259693/why-are-these-but-not-equals This is surprising for the same reason as two but it seems worse. Not surprising as x is autoboxed to and Integer . Not surprising..
Read Java JVM startup parameters (eg -Xmx) http://stackoverflow.com/questions/1518213/read-java-jvm-startup-parameters-eg-xmx files. Right now the jvm configuration files for better or worse are not part of our build process or checked into source control...
How can I enumerate all classes in a package and add them to a List? http://stackoverflow.com/questions/176527/how-can-i-enumerate-all-classes-in-a-package-and-add-them-to-a-list could potentially add classes into a package. Even worse the classloader will load classes on demand and part of the..
Android - Bitmap cache takes a lot of memory http://stackoverflow.com/questions/18255572/android-bitmap-cache-takes-a-lot-of-memory take are 1024 2 800 2 4 13 107 200 bytes. it would be even worse if you ran it on an xxhdpi device like the HTC one and Galaxy..
Why did java have the reputation of being slow? [closed] http://stackoverflow.com/questions/2163411/why-did-java-have-the-reputation-of-being-slow server side. This makes the String problems exponentially worse. Some simple mistakes are common objects are often used in place..
Expression Language in JSP not working http://stackoverflow.com/questions/2168832/expression-language-in-jsp-not-working specific JAR files into your webapp's WEB INF lib or more worse the JRE lib . As you're already using Eclipse and Tomcat I would..
Why doesn't String's hashCode() cache 0? http://stackoverflow.com/questions/2310498/why-doesnt-strings-hashcode-cache-0 is somewhat greater than 1 2^32 but let's say it's a lot worse than that like 1 2^16 the square root now that's a lot worse.. than that like 1 2^16 the square root now that's a lot worse . In this situation you have more to benefit from Oracle's engineers..
What is the memory consumption of an object in Java? http://stackoverflow.com/questions/258120/what-is-the-memory-consumption-of-an-object-in-java type for attributes Integer The 16 byte result is a little worse than I expected because an int value can fit into just 4 extra..
Is it bad to explicitly compare against boolean constants e.g. if (b == false) in Java? http://stackoverflow.com/questions/2661110/is-it-bad-to-explicitly-compare-against-boolean-constants-e-g-if-b-false-i for example if userIsAllowedToLogin above if b or even worse if flag . As to the performance concern the compiler optimizes..
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 involving 255 2^8 1 to compute the residue. For better or worse I am not using the trick of reading individual bytes out of..
What is the difference between swing and awt? http://stackoverflow.com/questions/408820/what-is-the-difference-between-swing-and-awt the same on every platform might not be supported or worse they might work differently on each platform. People used to..
Is stopwatch benchmarking acceptable? http://stackoverflow.com/questions/410437/is-stopwatch-benchmarking-acceptable you're timing. In Java things are even a little bit worse if you're trying to time a threaded application as the JVM scheduler..
The case against checked exceptions http://stackoverflow.com/questions/613954/the-case-against-checked-exceptions wont use them properly and not using them properly is worse than not having them . There is some truth to this argument..
Creating a memory leak with Java http://stackoverflow.com/questions/6470651/creating-a-memory-leak-with-java a reference to all the Classes it has loaded. It gets worse because in many JVM implementations Classes and ClassLoaders..
http://stackoverflow.com/questions/7266042/java-ring-buffer time . All other operations perform in linear time or worse. However you should consider it's limitations as well for example..
Aggregation versus Composition http://stackoverflow.com/questions/734891/aggregation-versus-composition surely not be composed into a chess board. Things get even worse when trying to map composition aggregation to your favorite..
Is it possible to disable jsessionid in tomcat servlet? http://stackoverflow.com/questions/962729/is-it-possible-to-disable-jsessionid-in-tomcat-servlet filter but I'd advise using it for all responses as it's worse than just search engine unfriendly. It exposes the session ID..
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