Certain principles hold for the use of iterators: In general, you should be able to have multiple traversals in progress at the same time; that is, an iterator should allow for the concept of nested ...

/** * Instantiate my collections with empty versions using Collections fields. * This will result in javac compiler warnings stating "warning: [unchecked] * unchecked ...

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Researchers have built proof-of-concept exploits for an unpatched unserialize vulnerability in Apache Commons Collections, a library used in most Java rollouts. For close to 10 months, a critical ...