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Integer type ranges are defined by the JLS, §4.2.1, "Integral Types and Values", [JLS 2005] and are also described in guideline rule "NUM00-J. Detect or prevent integer overflow."
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Note that conversions from float to double or double to float can also lose information about the overall magnitude of the converted value. See guideline rule "NUM09-J. Use the strictfp modifier for floating point calculation consistency across platforms" for additional information.
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