quick question

What is the value stored in the n variable after executing the following Java program fragment? int n = 10; switch (n) { case 10: n = n + 5; case 15: n = n + 5; case 20: n = n - 3; case 25: n = n + 4; case 30: n = n - 5; } Write the answer without adding anything to it (such as leading or trailing text, = signs, ...). Write XXX in case of errors