Why “010” equals 8?

Question

My simple question is why:

System.out.println(010|4);

prints \"12\"? I understand bitwise OR operator but why \"010\" equals 8? It\'s defin

Answer 1

That is because java takes it as an octal literal and hence produces 12. Try System.out.println(10|4) and the result is 14. Because this time it is taken as decimal literal.