Namespace: Java.Lang Assembly: Mono.Android.dll Returns the number of one-bits in the two's complement binary representation of the specified long value. [Android.Runtime.Register("bitCount", "(J)I", "")] public static int BitCount (long i); Parameters i Int64 the value whose bits ...
Java源码解释之Integer.bitCount Java中的Integer.bitCount(i)的返回值是i的二进制表示中1的个数。源码如下: 1 2 3 4 5 6 7 8 9 publicstaticintbitCount(inti) { // HD, Figure 5-2 i = i - ((i >>>1) &0x55555555); i = (i &0x33333333) + ((i >>>2) &0x33333333); i = (i +...
* Returns the number of one-bits in the two's complement binary * representation of the specified {@code int} value. This function is * sometimes referred to as the population count. * * @param i the value whose bits are to be counted * @return the number of one-bits in the two's...
2019-12-14 16:27 −这方法的条件有 1. 前面可以是连续空白,但不能出现字符 2. 前面有字符返回0 3. 前面可以有+- 4. 数字后面的字母会被删掉 5. 解后的数字如果超出 [Math.pow(-2,31), Math.pow(2,31)-1], 返回这些极限值 ```javascript function ... ...