public class usesCard1{
	public static void main (String x[]){
		Card bir = new Card ("HEARTS","ACE");
		Card iki = new Card ("SPADES","ACE");
		Card uc  = new Card ("SPADES","KING");
		
		System.out.println (bir) ;
		System.out.println (iki) ;
		System.out.println (uc) ;
		
		System.out.println( uc.getSuit ());
	
		
		int k = bir.compareTo(iki);
		if (k==0)
			System.out.println (bir+"="+iki);
		else if (k<0)
			System.out.println (bir+"<"+iki);
		else 
			System.out.println (bir+">"+iki);
		k = iki.compareTo(uc);
		if (k==0)
			System.out.println (iki+"="+uc);
		else if (k<0)
			System.out.println (iki+"<"+uc);
		else 
			System.out.println (iki+">"+uc);
		k = uc.compareTo(new Card ("SPADES","KING"));
		if (k==0)
			System.out.println ("They are equal");
		else if (k<0)
			System.out.println (uc+" is smaller");
		else 
			System.out.println (uc+" is greator");
		
		//Null Pointer Exception Sample	
		Card dort = null; // safe
		System.out.println ( uc.equals(dort) );	
		dort = new Card (); // brings the run-time error
		System.out.println ( uc.equals(dort) );	
			
	}
}