When using Java’s Map implementations, it is sometimes common to invoke the Map ‘s get (Object) method and to react differently based on whether the value returned is null or not.

It seems to be bad to allow this to be fully built. What did you see instead? There is a NPE when toString(), getSerializedSize(), or toByteArray() are called. Exception in thread "main" ...

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I have previously blogged on how Groovy and ActionScript provide demonstrations of switching on Strings functionality that has not been available in Java. JDK 7 changes this for Java by ...

Maximum a posteriori probability (MAP) decoding of Huffman-equivalent variable-length codes (VLCs) has two undesired features. One is the high decoding complexity, and the other is the discrepancy ...