Transilvania JUG

Sponsors

20
Mar
2011
0

Navigating (Searching) Collections

The Java collections framework includes the concept of NavigableSets / NavigableMaps. The principle behind these interfaces is that taking a SortedSet/SortedMap you can use a subset of it. Some examples: Given the following set: 1 2 3 4 5 @Before … Continue reading

22
Feb
2011
8

Reasons to call .isEmpty on collections

I’ve seen many times code like the one below: 1 if (collection.size() > 0) { … }if (collection.size() > 0) { … } There is just something which inherently “clicks” with most programmers minds when they think “non-empty”. There is … Continue reading

df