Lessons7Example1Lavel2

package com.gmail.kudr641;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;

public class Lessons7Example1Lavel2 {

	public static void main(String[] args) {
		
		int[][] matrix = result(getList());

		for (int j = 0; j < matrix.length; j += 1) {
			System.out.println(Arrays.toString(matrix[j]));
		}
	}
	
	static ArrayList<String> getList(){
		Scanner scanner = null;

		ArrayList<String> matrixList = new ArrayList<String>();

		try {
			scanner = new Scanner(new File("matrix.txt"));
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}

		boolean yes = true;

		while (yes) {
			String line = scanner.nextLine();
			if (line.isEmpty()) {
				break;
			}
			matrixList.add(line);
		}
		return matrixList;
	}
	
	static int[][] result(ArrayList<String> matrixList){
		int[][] matrix = new int[matrixList.size()][matrixList.size()];

		for (int i = 0; i < matrixList.size(); i += 1) {
			int how = 0;
			for (int j = 1; j < matrixList.get(i).length(); j += 3) {
				how += 1;
			}

			int[] array = new int[how];

			for (int j = 1, k = 0; j < matrixList.get(i).length(); j += 3, k += 1) {
				array[k] = Character.getNumericValue(matrixList.get(i).charAt(j));

			}

			for (int j = 0; j < matrix[i].length; j += 1) {
				matrix[i][j] = array[j];
			}
		}
		return matrix;
	}
}

Lessons7Example2Lavel2

package com.gmail.kudr641;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Scanner;
import java.util.TreeSet;

public class Lessons7Example2Lavel2 {

	public static void main(String[] args) {
		File file = new File("AnglishText.txt");

		ArrayList<Symbol> list = new ArrayList<Symbol>();

		String text = getText(file);

		list = getList(list, getTreeSet(text), text);

		sortList(list);

		printList(list);

	}

	static TreeSet<Character> getTreeSet(String text) {
		TreeSet<Character> set = new TreeSet<Character>();
		for (int i = 0; i < text.length(); i += 1) {
			set.add(text.charAt(i));
		}
		return set;
	}

	static String getText(File file) {
		String text;
		Scanner scanner = null;

		try {
			scanner = new Scanner(file);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}

		text = scanner.nextLine();
		return text;
	}

	static ArrayList<Symbol> getList(ArrayList<Symbol> list, TreeSet<Character> set, String text) {
		for (int i = 0; i < set.size(); i += 1) {
			Symbol aas = new Symbol();
			list.add(aas);
		}

		int h = 0;
		for (Character c : set) {
			int coint = 0;
			for (int j = 0; j < text.length(); j += 1) {
				if (c.equals(text.charAt(j))) {
					coint += 1;
				}
			}
			list.get(h).how = coint;
			list.get(h).symbol = c;
			h += 1;
		}
		return list;
	}

	static void sortList(ArrayList<Symbol> list) {
		for (int i = 0; i < list.size(); i += 1) {
			for (int j = 0; j < list.size() - 1; j += 1) {
				if (list.get(j).how < list.get(j + 1).how) {
					Symbol repository = list.get(j);
					list.remove(j);
					list.add(j + 1, repository);
				}
			}
		}
	}

	static void printList(ArrayList<Symbol> list) {
		for (int i = 0; i < list.size(); i += 1) {
			System.out.println(list.get(i).how + " " + list.get(i).symbol);
		}
	}
}

class Symbol {
	int how;
	char symbol;
}