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

public class JavaClass {
    public static void main(String[] args){
        
    }
    
    public boolean isString(Object obj){
        return obj instanceof String;
    }
    
    public static void printString(Object obj) throws Exception
    {
        if (isString(obj)){
            System.out.println((String) obj);
        } else {
            throw new Exception("Not a string");
        }
    }
}