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java Programming Glossary: hashmapReasons of getting a java.lang.VerifyError http://stackoverflow.com/questions/100107/reasons-of-getting-a-java-lang-verifyerror IILjava util Collection Ljava util Collection Ljava util HashMap Ljava util Collection Ljava util Locale Lorg apache struts util.. IILjava util Collection Lj ava util Collection Ljava util HashMap Ljava util Collection Ljava util Locale L org apache struts.. int year Collection dayTypes Collection calendarDays HashMap bcSpecialDays Collection activityPeriods Locale locale MessageResources..
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 public class Testing public static void main String args HashMap String Double map new HashMap String Double ValueComparator.. static void main String args HashMap String Double map new HashMap String Double ValueComparator bvc new ValueComparator map TreeMap..
Floating point arithmetic not producing exact results in Java http://stackoverflow.com/questions/1661273/floating-point-arithmetic-not-producing-exact-results-in-java class TestMain private static Map Integer Double ccc new HashMap Integer Double put 1 0.01 put 2 0.02 put 3 0.05 put 4 0.1 put..
Why is it a bad practice to call System.gc? http://stackoverflow.com/questions/2414105/why-is-it-a-bad-practice-to-call-system-gc to force free objects in Java the guy was clearing a 1.5GB HashMap with System.gc I've been told it's a bad practice to call System.gc..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java hash based Collection or Map such as HashSet LinkedHashSet HashMap Hashtable or WeakHashMap make sure that the hashCode of the.. Map such as HashSet LinkedHashSet HashMap Hashtable or WeakHashMap make sure that the hashCode of the key objects that you put..
Differences between HashMap and Hashtable? http://stackoverflow.com/questions/40471/differences-between-hashmap-and-hashtable between HashMap and Hashtable What is the difference between a HashMap and.. HashMap and Hashtable What is the difference between a HashMap and a Hashtable in Java Which is more efficient for non threaded.. this question There are several differences between HashMap and Hashtable in Java Hashtable is synchronized whereas HashMap..
read/write to Windows Registry using Java http://stackoverflow.com/questions/62289/read-write-to-windows-registry-using-java import java.lang.reflect.Method import java.util.HashMap import java.util.Map import java.util.ArrayList import java.util.List.. IllegalAccessException InvocationTargetException HashMap String String results new HashMap String String int handles.. HashMap String String results new HashMap String String int handles int regOpenKey.invoke root new Object..
refreshing background color for a row in jtable http://stackoverflow.com/questions/6900628/refreshing-background-color-for-a-row-in-jtable final long serialVersionUID 1L private Map rowColor new HashMap private Map columnColor new HashMap private Color cellColor.. Map rowColor new HashMap private Map columnColor new HashMap private Color cellColor private Color defaultColor public ColorTable..
How Do I Use KeyEventDispatcher http://stackoverflow.com/questions/7940173/how-do-i-use-keyeventdispatcher java.io.IOException import java.net. import java.util.HashMap import java.util.Map import javax.imageio.ImageIO import javax.swing... null private Map Direction Boolean directionMap new HashMap Direction Boolean private int playerX 0 private int playerY..
Is a Java hashmap really O(1)? http://stackoverflow.com/questions/1055243/is-a-java-hashmap-really-o1 a Java hashmap really O 1 I've seen some interesting claims on SO re Java.. O 1 I've seen some interesting claims on SO re Java hashmaps and their O 1 lookup time. Can someone explain why this is.. time. Can someone explain why this is so Unless these hashmaps are vastly different from any of the hashing algorithms I was..
Using a byte array as HashMap key (Java) http://stackoverflow.com/questions/1058149/using-a-byte-array-as-hashmap-key-java by String but it is more straightforward to use byte java hashmap share improve this question The problem is that byte uses..
Java: iterate through HashMap [duplicate] http://stackoverflow.com/questions/1066589/java-iterate-through-hashmap What is the best way to iterate through a HashMap java hashmap share improve this question Iterate through the entrySet..
http://stackoverflow.com/questions/1348199/java-hashmap-vs-map-objects Object map new HashMap String Object java comparison map hashmap share improve this question There is no difference between..
Java Hashmap: How to get key from value? http://stackoverflow.com/questions/1383797/java-hashmap-how-to-get-key-from-value I get the corresponding key Do I have to loop through the hashmap What is the best way to do that java hashmap share improve.. through the hashmap What is the best way to do that java hashmap share improve this question If you choose to use the Commons..
Does Java have a HashMap with reverse lookup? http://stackoverflow.com/questions/1670038/does-java-have-a-hashmap-with-reverse-lookup but I'm just not searching for the right term . java map hashmap bidirectional reverse lookup share improve this question ..
JAXB: how to marshall map into <key>value</key> http://stackoverflow.com/questions/3941479/jaxb-how-to-marshall-map-into-keyvalue-key
Differences between HashMap and Hashtable? http://stackoverflow.com/questions/40471/differences-between-hashmap-and-hashtable efficient for non threaded applications java hashtable hashmap share improve this question There are several differences..
How does a HashMap work in Java? http://stackoverflow.com/questions/6493605/how-does-a-hashmap-work-in-java HashMap internally uses the hashcode of the object java hashmap hashcode hash function share improve this question A hashmap.. hashcode hash function share improve this question A hashmap works like this this is a little bit simplified but it illustrates.. the bucket. When you put a key value pair into the map the hashmap will look at the hash code of the key and store the pair in..
http://stackoverflow.com/questions/780541/how-to-sort-hash-map to sort hash map How we will be able to sort a hashmap key arraylist I want to sort on the basis of a value in array.. sort on the basis of a value in array list. java sorting hashmap share improve this question Do you have to use a HashMap..
http://stackoverflow.com/questions/1003026/hashmap-concurrency-issue concurrency issue I have a Hashmap that for speed reasons I.. concurrency issue I have a Hashmap that for speed reasons I would like to not require locking on...
Best way to create a hashmap of arraylist http://stackoverflow.com/questions/1010879/best-way-to-create-a-hashmap-of-arraylist for each user. Because user may appear randomly I used Hashmap to do it. That is HashMap key String value ArrayList . But to..
How to display list of countries and cities in JSF page http://stackoverflow.com/questions/11505248/how-to-display-list-of-countries-and-cities-in-jsf-page I know that this is easy for implementation with Java Hashmap but the tricky part that I don't know how to implement is how..
Customizing the get method in HashMap [duplicate] http://stackoverflow.com/questions/12587896/customizing-the-get-method-in-hashmap Duplicate Case insensitive string as HashMap key I have a Hashmap with a String as the key and an integer as the value. Now I..
Java Hashmap: How to get key from value? http://stackoverflow.com/questions/1383797/java-hashmap-how-to-get-key-from-value Hashmap How to get key from value If I have the value foo and a HashMap..
In Java, why must equals() and hashCode() be consistent? http://stackoverflow.com/questions/1678205/in-java-why-must-equals-and-hashcode-be-consistent to do with if you use that class as the type of keys to Hashmap java share improve this question Sure public class Test..
Hashmap implementation to count the occurences of each character http://stackoverflow.com/questions/4363665/hashmap-implementation-to-count-the-occurences-of-each-character implementation to count the occurences of each character The..
Hash : How does it work internally? http://stackoverflow.com/questions/4453476/hash-how-does-it-work-internally integer k 15 then h k 10. 3 Hashtable is synchronised and Hashmap is not. Hashmap allows null values as key but Hashtable does.. h k 10. 3 Hashtable is synchronised and Hashmap is not. Hashmap allows null values as key but Hashtable does not. 4 The purpose..
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