java API中java.util package中的BitSet class的length() method是这样描述的:
Returns the "logical size" of this BitSet: the index of the highest set bit in the BitSet plus one.
特别是第二句话我看不太懂它的准确意思,谁能帮帮我!?
set bit是什么意思?是set(int bitIndex)所设定的逻辑1么?
set bit是什么意思?===> 应该是1
0000 1111 ===>返回3 + 1 = 4
0010 1111 ===>返回5 + 1 = 6 (最后置1位为5)
只是猜猜. :-)