0b0101_0101 & 0b0001_1100 → 0b0001_0100
& logical AND is a logical carryless bitwise multiply, used for masking (getting rid of parts of a word you don’t want), 1s where both operands have a 1 otherwise 0. Don’t confuse this with &&.
0 & 0 →
0 & 1 → 0
1 & 0 → 0
1 & 1 → 1
boolean isPowerOfTwo = (n & -n) == n;
Here is how to and together an array of booleans:
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