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20 lines
644 B
HTML
20 lines
644 B
HTML
<html>
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Reports instantiations of <code>java.util.Map</code> objects
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whose key types are enumerated classes. Such <code>java.util.Map</code> objects
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can be replaced with <code>java.util.EnumMap</code> objects.
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<p>
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<code>java.util.EnumMap</code> implementations can be much more efficient
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because the underlying data structure is a simple array.
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</p>
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<p><b>Example:</b></p>
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<pre><code>
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Map<MyEnum, String> myEnums = new HashMap<>();
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</code></pre>
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<p>After the quick-fix is applied:</p>
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<pre><code>
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Map<MyEnum, String> myEnums = new EnumMap<>(MyEnum.class);
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</code></pre>
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<!-- tooltip end -->
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</body>
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</html> |