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errorprone.bugpattern.BadShiftAmount.md Maven / Gradle / Ivy

For shift operations on int types, only the five lowest-order bits of the shift
amount are used as the shift distance. This means that shift amounts that are
not in the range 0 to 31, inclusive, are silently mapped to values in that
range. For example, a shift of an int by 32 is equivalent to shifting by 0,
i.e., a no-op.

See JLS 15.19, "Shift Operators", for more details.