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java Programming Glossary: cost

Hashset vs Treeset

http://stackoverflow.com/questions/1463284/hashset-vs-treeset

you expect the set to grow. TreeSet guarantees log n time cost for the basic operations add remove and contains guarantees..

Import package.* vs import package.SpecificType [duplicate]

http://stackoverflow.com/questions/187453/import-package-vs-import-package-specifictype

this question There is not a performance or overhead cost to doing import . vs importing specific types. However I consider..

Why did java have the reputation of being slow? [closed]

http://stackoverflow.com/questions/2163411/why-did-java-have-the-reputation-of-being-slow

decision for portability but carries a small performance cost. UTF 8 looks like a better choice now. Array access is a bit..

Java String Pool

http://stackoverflow.com/questions/2486191/java-string-pool

processing tasks more time or space efficient at the cost of requiring more time when the string is created or interned...

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

on the container used For instance Wrappers can be costly too compared to primitive type for attributes Integer The.. value can fit into just 4 extra bytes. Using an Integer costs me a 300 percent memory overhead compared to when I can store.. alignment on an 8 byte word boundary. Other containers are costly too Multidimensional arrays it offers another surprise. Developers..

Besides EAR and EJB, what do I get from a Java EE app server that I don't get in a servlet container like Tomcat?

http://stackoverflow.com/questions/269186/besides-ear-and-ejb-what-do-i-get-from-a-java-ee-app-server-that-i-dont-get-in

server. The first downside to changing that I see is the cost. No matter what the charges for the application server Tomcat.. services using one is a good thing. You can also have no cost full stack server such as Glasfish Geronimo or JBoss. You can..

When to use LinkedList<> over ArrayList<>?

http://stackoverflow.com/questions/322715/when-to-use-linkedlist-over-arraylist

be resized if you add a lot of elements. To avoid the high cost of resizing when you know you're going to add a lot of elements..

How to solve the “Double-Checked Locking is Broken” Declaration in Java?

http://stackoverflow.com/questions/3578604/how-to-solve-the-double-checked-locking-is-broken-declaration-in-java

field use the double check idiom . This idiom avoids the cost of locking when accessing the field after it has been initialized..

Taking contact list from hotmail gmail yahoo in java? [closed]

http://stackoverflow.com/questions/397933/taking-contact-list-from-hotmail-gmail-yahoo-in-java

tag of 234US whereas the version you're looking for would cost 88US . another Contacts Importer from Indian Improsys that supports.. Improsys that supports less networks and Java version costs 550 . I'm not aware of any open source Java libraries offering..

Java Swing or Java Qt? [closed]

http://stackoverflow.com/questions/422956/java-swing-or-java-qt

Swing vs Qt than the license type fee since in my case the cost is not a concern. java qt gui swing share improve this question..

If profiler is not the answer, what other choices do we have?

http://stackoverflow.com/questions/4387895/if-profiler-is-not-the-answer-what-other-choices-do-we-have

site point at which a function is called has a percentage cost equal to the fraction of time it is on the stack. Note the paper.. point shows up on 2 of them it is highly likely to be very costly. Specifically it follows a beta distribution. If you generate.. the distribution of the 3rd one is the distribution of cost for that call point. It's mean is 2 1 3 2 0.6 so that is the..

Interesting uses of sun.misc.Unsafe

http://stackoverflow.com/questions/5574241/interesting-uses-of-sun-misc-unsafe

large arrays into smaller objects to limit the real time cost of scan update or move operations on large objects http robaustin.wikidot.com..

Hibernate, iBatis, Java EE or other Java ORM tool

http://stackoverflow.com/questions/716532/hibernate-ibatis-java-ee-or-other-java-orm-tool

think it's less of a potential problem. That comes at the cost of rigidity however. Often in an application you will need bits.. I think ibatis wins hands down. It's straight SQL and low cost. By its nature JPA simply won't be able to manage the same level..

What are good InstallAnywhere replacements for installing a Java EE application?

http://stackoverflow.com/questions/759855/what-are-good-installanywhere-replacements-for-installing-a-java-ee-application

assistance resembling that of IntelliJ IDEA. We deemed the cost of install4j floating licenses reasonable considering how good..

What makes JNI calls slow?

http://stackoverflow.com/questions/7699020/what-makes-jni-calls-slow

for access in native code and later copied back. The cost can be linear in the size of the array. I measured JNI copying.. additional discussion can be found in 9.2 Examining JNI costs about a third of the way down this java.sun.com document. The..

Efficiency of Java “Double Brace Initialization”?

http://stackoverflow.com/questions/924285/efficiency-of-java-double-brace-initialization

out that garbage collection can be affected and the memory cost for the extra loaded classes may be a factor in some cases...