Question

what is the meaning of 1! in java?​

Answer 1

Answer:

1 and !( x == 1) both are same. For an example if x is 2 the first one returns true . In the second one (x == 1) this part returns false .

Answer 2

Answer:

int n;

   for ( n = 0; i >0; n++)

   {

       i &= (i-1);

   }

   return n;

//maybe its function is to count the number of 1, I don't know the sentence means

Explanation:

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