Correct the mistakes in the following code 01 class Test { 02 03 04 05 public static void main(String[] args) { A a = new A( "100"); a.greeting(); 06 } 07 08 class A { int n; A(int num) { // Don't change this line! 09 10 11 12 13 } 14 15 16 num = n; 17 } private static String greeting() { System.out.print(s); 18 19}