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java Programming Glossary: collectionsWhy aren't Java Collections remove methods generic? http://stackoverflow.com/questions/104799/why-arent-java-collections-remove-methods-generic instead of a debugging problem later. java api generics collections share improve this question Josh Bloch and Bill Pugh refer..
How to sort a Map<Key, Value> on the values in Java? http://stackoverflow.com/questions/109383/how-to-sort-a-mapkey-value-on-the-values-in-java associated with the key. Is there an easier way java collections map share improve this question Added note if you intend..
Java Hashmap: How to get key from value? http://stackoverflow.com/questions/1383797/java-hashmap-how-to-get-key-from-value generic support in Apache Commons Collections. Using collections with generics makes more maintainable code. share improve this..
? ǹ ? ñ á¹?? á¹?á¹?á¹?? ɲ ? á¶?ɳ ȵ --> n or Remove diacritical marks from Unicode chars http://stackoverflow.com/questions/1453171/n-n-n-or-remove-diacritical-marks-from-unicode-cha it. The immutableMap is just a simple class from google collections. public class StringSimplifier public static final char DEFAULT_REPLACE_CHAR..
Why should the interface for a Java class be prefered? http://stackoverflow.com/questions/147468/why-should-the-interface-for-a-java-class-be-prefered the latter with List be used instead of ArrayList java collections share improve this question Using interfaces over concrete..
Sorting an ArrayList of Contacts based on name? [duplicate] http://stackoverflow.com/questions/1814095/sorting-an-arraylist-of-contacts-based-on-name or should I look into making a custom sort java sorting collections arraylist share improve this question Here's a tutorial about..
How do I remove repeated elements from ArrayList? http://stackoverflow.com/questions/203984/how-do-i-remove-repeated-elements-from-arraylist repeated strings from it. How can I do this java list collections arraylist duplicates share improve this question If you don't..
Efficient equivalent for removing elements while iterating the Collection http://stackoverflow.com/questions/223918/efficient-equivalent-for-removing-elements-while-iterating-the-collection an ArrayList so you can't rely on get . java algorithm collections share improve this question Iterator.remove is safe. Note..
Is there a performance difference between a for loop and a for-each loop? http://stackoverflow.com/questions/256859/is-there-a-performance-difference-between-a-for-loop-and-a-for-each-loop completely. The resulting idiom applies equally to collections and arrays The preferred idiom for iterating over collections.. and arrays The preferred idiom for iterating over collections and arrays for Element e elements doSomething e When you see..
Avoiding “!= null” statements in Java? http://stackoverflow.com/questions/271526/avoiding-null-statements-in-java Avoid using nulls as a response. With methods that return collections it's easy return empty collections or arrays instead of nulls.. methods that return collections it's easy return empty collections or arrays instead of nulls pretty much all the time. With non.. arrays instead of nulls pretty much all the time. With non collections it might be harder. Consider this as an example if you have..
When to use LinkedList<> over ArrayList<>? http://stackoverflow.com/questions/322715/when-to-use-linkedlist-over-arraylist used over ArrayList and vice versa java data structures collections arraylist linked list share improve this question LinkedList..
Where do I find a standard Trie based map implementation in Java? http://stackoverflow.com/questions/623892/where-do-i-find-a-standard-trie-based-map-implementation-in-java trie based map implementation in a popular and quality collections library I've written my own in the past but I'd rather go with..
How to clone ArrayList and also clone its contents? http://stackoverflow.com/questions/715650/how-to-clone-arraylist-and-also-clone-its-contents not the same as in dogs list. Thanks for any answer java collections clone deep copy share improve this question You will need..
Easiest way to merge a release into one JAR file http://stackoverflow.com/questions/81260/easiest-way-to-merge-a-release-into-one-jar-file 2.6.1.jar 559366 11 30 07 09 49 jrst 0.8.1 lib commons collections 3.1.jar 83613 11 30 07 09 49 jrst 0.8.1 lib commons io 1.3.1.jar..
What are the reasons why Map.get(Object key) is not (fully) generic http://stackoverflow.com/questions/857420/what-are-the-reasons-why-map-getobject-key-is-not-fully-generic for remove containsKey containsValue . java generics collections map share improve this question As mentioned by others the..
How to convert List<Integer> to int[] in Java? http://stackoverflow.com/questions/960431/how-to-convert-listinteger-to-int-in-java ret I'm sure there's a better way to do this. java arrays collections share improve this question Unfortunately I don't believe..
Why aren't Java Collections remove methods generic? http://stackoverflow.com/questions/104799/why-arent-java-collections-remove-methods-generic aren't Java Collections remove methods generic Why isn't Collection.remove Object o..
Java Hashmap: How to get key from value? http://stackoverflow.com/questions/1383797/java-hashmap-how-to-get-key-from-value improve this question If you choose to use the Commons Collections library instead of the standard Java Collections API you can.. Commons Collections library instead of the standard Java Collections API you can achieve this with ease. The BidiMap interface in.. can achieve this with ease. The BidiMap interface in the Collections library is a bi directional map allowing you to map a key to..
http://stackoverflow.com/questions/1519736/random-shuffling-of-an-array do that java arrays share improve this question Using Collections to shuffle an array of primitive types is a bit of an overkill.....
When to use wrapper class and primitive type http://stackoverflow.com/questions/1570416/when-to-use-wrapper-class-and-primitive-type Others have mentioned that certain constructs such as Collections require objects and that objects have more overhead than their..
Sorting an ArrayList of Contacts based on name? [duplicate] http://stackoverflow.com/questions/1814095/sorting-an-arraylist-of-contacts-based-on-name a tutorial about ordering objects The Java Tutorials Collections Object Ordering Although I will give some examples I would recommend.. do List Contact contacts new ArrayList Contact Fill it. Collections.sort contacts If you want to define an external controllable.. Fill it. Now sort by address instead of name default . Collections.sort contacts new Comparator Contact public int compare Contact..
what is the difference between 'super' and 'extends' in Java Generics [duplicate] http://stackoverflow.com/questions/1910892/what-is-the-difference-between-super-and-extends-in-java-generics consumer it has to be super T . Take a look at the Google Collections they know how to use it because they got Bloch share improve..
Why can Java Collections not directly store Primitives types? http://stackoverflow.com/questions/2504959/why-can-java-collections-not-directly-store-primitives-types can Java Collections not directly store Primitives types Java collections only store..
http://stackoverflow.com/questions/2788080/reading-a-text-file-in-java
Java Array, Finding Duplicates http://stackoverflow.com/questions/3951547/java-array-finding-duplicates go find a primitive int based hash set Apache or Google Collections has such a thing methinks. boolean duplicates final int zipcodelist..
What is the most efficient Java Collections library? [closed] http://stackoverflow.com/questions/629804/what-is-the-most-efficient-java-collections-library is the most efficient Java Collections library closed What is the most efficient Java Collections.. library closed What is the most efficient Java Collections library A few years ago I did a lot of Java and had the impression.. back then that trove is the best most efficient Java Collections implementation. But when I read the answers to the question..
Java 7 language features with Android http://stackoverflow.com/questions/7153989/java-7-language-features-with-android .previousClearBit .valueOf .toLongArray .toByteArray Collections .emptyEnumeration .emptyIterator .emptyListIterator AutoCloseable..
Efficiency of Java “Double Brace Initialization”? http://stackoverflow.com/questions/924285/efficiency-of-java-double-brace-initialization the same effect with Arrays.asList varargs methods Google Collections and the proposed Java 7 Collection literals. Newer JVM languages..
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