Something

public void readFile() throws FileNotFoundException, IOException {
		this.myFile = new A(new B(new BufferedReader(new FileReader(new File(this.inFile)))));
		while(this.myFile.ready()){
			String keyValue = this.myFile.readLine();
			if(!keyValue.equals(" ") && !keyValue.isEmpty() && !keyValue.equals("    "))
			if(tree.containsKey(keyValue)){
				int value = tree.get(keyValue);
				tree.put(keyValue, ++value);
			}else
				tree.put(keyValue, 1);
		}
		
		TreeSet treeSet = new TreeSet(new MyComparator());

		treeSet.addAll(tree.entrySet());
		System.out.println(treeSet.toString());
		
	}