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

// Java program to illustrate the 
// concept of method overloading 
class Test 
{ 
	// Method with 1 parameter 
	public void disp(char c) 
	{ 
		System.out.println(c); 
	} 
	
	// Method with 2 parameters 
	public void disp(char c, int num) 
	{ 
		System.out.println(c + " "+num); 
	} 
} 
public class Main 
{ 
	public static void main(String args[]) 
	{ 
		Test obj = new Test(); 
		obj.disp('a'); 
		obj.disp('a',10); 
	} 
}