java Programming Glossary: hashmaps

http://stackoverflow.com/questions/1314650/using-java-map-for-range-searches

keys mapping to the same value. Assuming that you use HashMaps this should be the most time efficient O 1 lookups though you..

Internal implementation of java.util.HashMap and HashSet

http://stackoverflow.com/questions/1781868/internal-implementation-of-java-util-hashmap-and-hashset

they might use unwanted fields introducing trouble with HashMaps and HashSets. Edit 2 If you add an object to a HashSet the Object..

Type safety: Unchecked cast

http://stackoverflow.com/questions/262367/type-safety-unchecked-cast

However you are converting it to a HashMap String String . HashMaps are really maps that take an object as a key and have an object..

Accessing the last entry in a Map

http://stackoverflow.com/questions/3527216/accessing-the-last-entry-in-a-map

last value 1 Solution using HashMap If you must rely on HashMaps there is still a solution using a a modified version of the..

How to ensure hashCode() is consistent with equals()?

http://stackoverflow.com/questions/410236/how-to-ensure-hashcode-is-consistent-with-equals

a set of objects the better performance you'll get out of HashMaps and other operations that use the hashCode. IDEs such as IntelliJ..

Storing MATLAB structs in Java objects

http://stackoverflow.com/questions/436852/storing-matlab-structs-in-java-objects

to act like a structure and convert MATLAB structures to HashMaps with an obvious warning for multiple level structures function..

Why does ConcurrentHashMap prevent null keys and values?

http://stackoverflow.com/questions/698638/why-does-concurrenthashmap-prevent-null-keys-and-values

why doesn't Hashtable allow null I've used a lot of HashMaps for storing data. But when changing to ConcurrentHashMap I got.. that nulls aren't allowed in ConcurrentMaps ConcurrentHashMaps ConcurrentSkipListMaps is that ambiguities that may be just..

builder for HashMap

http://stackoverflow.com/questions/7345241/builder-for-hashmap

share improve this question There is no such thing for HashMaps but you can create an ImmutableMap with a builder final Map..

Is a Java hashmap really O(1)?

http://stackoverflow.com/questions/1055243/is-a-java-hashmap-really-o1

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 so.. time. Can someone explain why this is so Unless these hashmaps are vastly different from any of the hashing algorithms I was..

Tracking down a memory leak / garbage-collection issue in Java.

http://stackoverflow.com/questions/1071631/tracking-down-a-memory-leak-garbage-collection-issue-in-java

level or something more inherenet in data structures like hashmaps . Thanks for any and all insight you can provide. EDIT Emil..

Freemarker iterating over hashmap keys

http://stackoverflow.com/questions/1497777/freemarker-iterating-over-hashmap-keys

keys Freemarker has two collection datatypes lists and hashmaps Is there a way to iterate over hashmap keys just as we do with..

Java Equivalent to Python Dictionaries

http://stackoverflow.com/questions/1540673/java-equivalent-to-python-dictionaries

to python's dictionaries I have heard of people using hashmaps and hashtables. Could someone explain the similarities and differences.. the similarities and differences of using hashtables and hashmaps versus python's dictionaries java python hash dictionary ..

Java - opaque color

http://stackoverflow.com/questions/7823631/java-opaque-color

Color similarColor than i have paint method and 2 hashmaps as attributes some points are stored. i iterate over this map..