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    • 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 →

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    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 →

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    df