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java Programming Glossary: treemap

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

It seems much easier than all of the foregoing. Use a TreeMap as follows public class Testing public static void main String.. String Double ValueComparator bvc new ValueComparator map TreeMap String Double sorted_map new TreeMap String Double bvc map.put.. ValueComparator map TreeMap String Double sorted_map new TreeMap String Double bvc map.put A 99.5 map.put B 67.4 map.put C 67.4..

What would be the fastest method to test for primality in Java?

http://stackoverflow.com/questions/2385909/what-would-be-the-fastest-method-to-test-for-primality-in-java

InvocationTargetException Prime prime new Prime TreeMap Long String methodMap new TreeMap Long String for Method method.. Prime prime new Prime TreeMap Long String methodMap new TreeMap Long String for Method method Prime.class.getDeclaredMethods..

TreeMap sort by value

http://stackoverflow.com/questions/2864840/treemap-sort-by-value

sort by value I'm new to java i want to write an comparator.. i want to write an comparator to that will let me sort TreeMap by value instead of the default natural sorting. i tried something.. main byValue cmp new byValue Map String Integer map new TreeMap String Integer cmp map.put de 10 map.put ab 20 map.put a 5 for..

What is the difference between compare() and compareTo()?

http://stackoverflow.com/questions/420223/what-is-the-difference-between-compare-and-compareto

such as sort or for use by sorting data structures such as TreeMap and TreeSet . You might want to create a Comparator object for..

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

to rely on hashing via HashMap or on binary searches via TreeMap . I am wondering if there is an efficient and standard trie..

How to sort hash map

http://stackoverflow.com/questions/780541/how-to-sort-hash-map

to use a HashMap If you only need the Map Interface use a TreeMap Ok I think now I understood your question you want to sort by..

how to sort Map values by key in Java

http://stackoverflow.com/questions/922528/how-to-sort-map-values-by-key-in-java

java share improve this question Short answer Use a TreeMap . This is precisely what its for. If this map is passed to you.. SortedMap but except for rare cases this amounts to TreeMap just as using a Map implementation typically amounts to HashMap.. Comparable or you don't want to use the natural order then TreeMap and TreeSet have additional constructors that let you pass in..

EL access a map value by Integer key

http://stackoverflow.com/questions/924451/el-access-a-map-value-by-integer-key

as a Long . I figured this out when I changed HashMap to TreeMap and received the error java.lang.ClassCastException java.lang.Integer..

How to iterate over a TreeMap? [duplicate]

http://stackoverflow.com/questions/1318980/how-to-iterate-over-a-treemap

do this Code samples would be prefered. java collections treemap share improve this question Assuming type TreeMap String..

Java: SortedMap, TreeMap, Comparable? How to use?

http://stackoverflow.com/questions/1440006/java-sortedmap-treemap-comparable-how-to-use

I'm supplying is incorrect. java interface comparator treemap sortedmap share improve this question The simpler way is..

How to sort a treemap based on its values?

http://stackoverflow.com/questions/1448369/how-to-sort-a-treemap-based-on-its-values

to sort a treemap based on its values How can I sort a treemap using its values.. to sort a treemap based on its values How can I sort a treemap using its values rather than the key java treemap share improve.. sort a treemap using its values rather than the key java treemap share improve this question You cannot as the TreeMap's..

Struts2: Updating the values of a “List Of Objects” inside a Map

http://stackoverflow.com/questions/15006868/struts2-updating-the-values-of-a-list-of-objects-inside-a-map

below shows values coming in jsp java collections struts2 treemap ognl share improve this question According to your latest..

Get values for keys within a range in Java

http://stackoverflow.com/questions/3519901/get-values-for-keys-within-a-range-in-java

to 45 45 45 If the keys are in sorted order either using treemap or linkedhashmap .Now if i try to get a value which is 39 and..