When to use each Java Collections data structure
6526
When to use LinkedList over ArrayList in Java?
150519
When should you use a local class in Java?
76086
Why doesn't Java Map extend Collection?
83351
When to use Properties and when Map in Java?
107550
Iterating over Java collections in Scala
28239
Empty an ArrayList or just create a new one and let the old one be garbage collected?
16650
.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
73470
Java: Initialize ArrayList in field OR constructor?
132703
Theoretical limit for number of keys (objects) that can be stored in a HashMap?
64054
List vs tuple, when to use each?
21739
When to use abstract classes?
71925
Java Collections and Garbage Collector
3001
Array versus List: When to use which?
115290
Performance issue - clear and reuse a collection OR throw it and get a new one
88920
Is using NULL references OK?
86005
Collection properties should be read only
96526
Removing objects from Java Collections