1 2 3 4 5 6 7 8 9 10 11 12 | public class Test { public static void main(String[] args) { String n = 3 ; System.out.println( "Before change, n = " + n); changeData(n); System.out.println( "After changeData(n), n = " + n); } public static void changeData(String nn) { nn = 10 ; } } |
联系客服