Create a method print a string If type is not string then throw exception and retry 3 times

public class Test {
   static String printString(String a){
       return a;
   }
   
   static void printString(int a) throws Exception{
       throw new Exception("This is not a string");
   }
   
   public static void main (String[] args) throws Exception {
       int i = 0;
       while(i < 3){
           try{
               printString(3);
           }
           catch(Exception e){
               System.out.println(e.getMessage());
               i++;
           }
       }
       printString("this is a string");
   }
}