Java

public static String markov(String input, LinkedList<Rule> rules) {
    for (Rule rule : rules) {
        if (!input.equals(input.replace(rule.getFrom(), rule.getTo()))) {
            if (rule.isTerminating()) {
                input = input.replaceFirst(Pattern.quote(rule.getFrom()), rule.getTo());
                System.out.println(input);
                return input;
            } else {
                input = input.replaceFirst(Pattern.quote(rule.getFrom()), rule.getTo());
                System.out.println(input);
                return markov(input, rules);
            }
        }
    }
    return input;
}

import java.util.Scanner;

public class matrix {

        private static Scanner scanner;

        public static void main(String[] args) {
            scanner = new Scanner(System.in);

                System.out.println ("Create matrix AxB");

                System.out.println ("Set rows (A)");
                int A = Integer.parseInt(scanner.nextLine());

                System.out.println("A = " + A);
                System.out.println("  ");

                System.out.print("Set columns (B)");
                int B = Integer.parseInt(scanner.nextLine());

                System.out.println("B = " + B);

                System.out.println("  ");

                int X = A * B;

                int[][] matrix = new int[A][B];

                for (int row=0; row<matrix.length; ++row)
                  for (int column=0; column<matrix[row].length; ++column) {
                    System.out.println("Set element "+row+", "+column);
                    matrix[row][column] = scanner.nextInt();
                  }

                System.out.println("Your matrix:");
                for (int row=0; row<matrix.length; ++row) {
                  for (int column=0; column<matrix[row].length; ++column)
                    System.out.print(matrix[row][column]+"\t");
                  System.out.println();
                }

                }
              }

quebird.brokenclouds.core.unit.stones.v1.RosettaStoneV1Test@37bba400.testEncodeAndDecode(): 
	#0: MD5 + UTF-8 on 'Hello World! Hellø Wørld! 0123456789 §$!#€%&/()=?+´`¨^*'-_.:,;<>'
encode:  --- START --- [algorithm=BC1+MD5]
encode:  salt[length=36] = 49 52 102 50 53 99 102 101 45 48 50 101 56 45 52 50 53 97 45 97 48 52 50 45 100 98 50 98 50 52 100 97 49 51 57 53 
encode:  data[length=71] = 72 101 108 108 111 32 87 111 114 108 100 33 32 72 101 108 108 -61 -72 32 87 -61 -72 114 108 100 33 32 48 49 50 51 52 53 54 55 56 57 32 -62 -89 36 33 35 -30 -126 -84 37 38 47 40 41 61 63 43 -62 -76 96 -62 -88 94 42 39 45 95 46 58 44 59 60 62 
encode: hash[length=16] = 37 5 88 33 -2 -28 58 -32 71 27 119 -120 22 -87 -91 -2 
encode: padding[length=16] = 84 24 -28 -92 25 61 -97 -27 125 -98 71 -57 43 24 -98 100 
encode: output[length=88] = 0 0 0 0 0 0 0 71 -87 79 10 -37 4 109 54 -115 -15 -121 106 109 -71 -60 106 -111 -88 82 -41 -104 -89 85 70 65 -38 127 49 -111 -77 16 -56 -14 -85 -94 81 -104 29 54 -8 88 43 63 35 89 -18 -114 58 90 48 -94 -52 57 35 59 116 74 -45 123 43 75 -5 -128 52 101 -95 52 -118 27 32 57 83 77 72 -1 123 -124 95 -110 51 120 
encode:  ---  END  --- [algorithm=BC1+MD5]
decode:  --- START --- [algorithm=BC1+MD5]
decode:  salt[length=36] = 49 52 102 50 53 99 102 101 45 48 50 101 56 45 52 50 53 97 45 97 48 52 50 45 100 98 50 98 50 52 100 97 49 51 57 53 
decode:  data[length=88] = 0 0 0 0 0 0 0 71 -87 79 10 -37 4 109 54 -115 -15 -121 106 109 -71 -60 106 -111 -88 82 -41 -104 -89 85 70 65 -38 127 49 -111 -77 16 -56 -14 -85 -94 81 -104 29 54 -8 88 43 63 35 89 -18 -114 58 90 48 -94 -52 57 35 59 116 74 -45 123 43 75 -5 -128 52 101 -95 52 -118 27 32 57 83 77 72 -1 123 -124 95 -110 51 120 
decode: hash[length=16] = 37 5 88 33 -2 -28 58 -32 71 27 119 -120 22 -87 -91 -2 
decode: output[length=71] = 72 101 108 108 111 32 87 111 114 108 100 33 32 72 101 108 108 -61 -72 32 87 -61 -72 114 108 100 33 32 48 49 50 51 52 53 54 55 56 57 32 -62 -89 36 33 35 -30 -126 -84 37 38 47 40 41 61 63 43 -62 -76 96 -62 -88 94 42 39 45 95 46 58 44 59 60 62 
decode:  ---  END  --- [algorithm=BC1+MD5]

import java.lang.*;
import java.awt.*;
import java.awt.event.*;

public class Post extends Frame
{
	public Post()
	{
		this.addWindowListener(new MyWinAdap());
	}
	public void paint(Graphics g)
	{
		g.setColor(Color.black);
		Dots d = new Dots();
		Text t = new Text();
		d.start();
		t.start();
		
	}
	public static void main(String[] args)
	{
		Post dtd = new Post();
		dtd.setTitle("Dots and Displaying text");
		dtd.setSize(500,500);
		dtd.setVisible(true);
	}
}

class Dots extends Thread
{
	public void run()
	{
		int x,y;
		Graphics g;
		for(;;)
		{
			x=(int)(Math.random() * 500);
			y=(int)(Math.random() * 500);
			g.drawLine(x,y,x,y);
			try
			{
				Thread.sleep(20);
			}
			catch(Exception ex)
			{
				//Exception handler
			}
		}
	}
}

class Text extends Thread
{
	public void run()
	{
		Graphics g;
		g.drawString("Hello!",100,100);
	}
}

class MyWinAdap extends WindowAdapter
{
	public void windowClosing(WindowEvent e)
	{
		System.exit(0);
	}
}