Convert HashMap of integers into unique integer array?
1627
Cartesian product of an arbitrary number of sets
124572
EL access a map value by Integer key
18188
Is there a no-duplicate List implementation out there?
51586
Using two (or more) objects as a HashMap key
139054
Is there an easy way to turn an int into an array of ints of each digit?
14745
Java: Detect duplicates in ArrayList?
38263
How can I combine two HashMap objects containing the same types?
2573
C# Hashset Contains Non-Unique Objects
60694
Convert int[] into ArrayList
53557
Java: A "prime" number or a "power of two" as HashMap size?
64382
Get unique values from ArrayList in Java
69955
How to grab seperated integers from long string
1372
How to create a generic array in Java?
134694
Create a List of primitive int?
149094
Immutable array in Java
89342
How to putAll on Java hashMap contents of one to another, but not replace existing keys and values?
61465
Java Remove Duplicates from an Array?