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Can someone please explain why this program outputs 0x00000004?
class AndAssignment { static void Main() { int a = 0x0c; a &= 0x06; Console.WriteLine('0x{0:x8}', a); } } /* Output: 0x00000004 */
0x0c = 1100 in binary
0x06 = 0110 in binary
& operation is a binary AND which sets a bit to 1 if it’s set in both operands, so:
0x0c & 0x06 = 1100 & 0110 = 0100 = 0x04
You can use windows calculator to see how integers is presented in different forms (hex and binary in your case). More info.