public HashSet<Character> getHighest()
	{
		HashSet<Character> set = new HashSet<Character>();
		int val = -128;
		
		if( numA > val )
		{
			set.add('A');
			val = numA;
		}
		
		if( numC >= val)
		{
			if( numC > val )
				set.clear();
			
			set.add('C');
			val = numC;
		}
		
		if( numG >= val)
		{
			if( numG > val )
				set.clear();
			
			set.add('G');
			val = numG;
		}
		
		if( numT >= val)
		{
			if( numT > val )
				set.clear();
			
			set.add('T');
			val = numT;
		}
		
		return set;
	}