diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Box.java b/lesson00/src/com/hackbulgaria/qa/week2/Box.java
new file mode 100644
index 0000000..26a933d
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Box.java
@@ -0,0 +1,17 @@
+package com.hackbulgaria.qa.week2;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+
+public class Box<T> {
+	private T data;
+	
+	public Box(T data) { this.data = data; }
+	public T getData() { return data; }
+	
+	public static void main(String[] args) {
+		Box<Integer> a = new Box<>(1);
+	}
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Entity.java b/lesson00/src/com/hackbulgaria/qa/week2/Entity.java
new file mode 100644
index 0000000..e88c358
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Entity.java
@@ -0,0 +1,18 @@
+package com.hackbulgaria.qa.week2;
+
+public abstract class Entity {
+	private String id;
+	
+	protected String getId() { return id; }
+	
+	public abstract String getIdentifier();
+	
+	public Entity(String id) {
+		this.id = id;
+	}
+	
+	@Override
+	public String toString() {
+		return getIdentifier();
+	}
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Ivo.java b/lesson00/src/com/hackbulgaria/qa/week2/Ivo.java
new file mode 100644
index 0000000..f5fac87
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Ivo.java
@@ -0,0 +1,9 @@
+package com.hackbulgaria.qa.week2;
+
+public abstract class Ivo extends Panda {
+	@Override
+	public void eat() {
+		// TODO Auto-generated method stub
+		
+	}
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Magche.java b/lesson00/src/com/hackbulgaria/qa/week2/Magche.java
new file mode 100644
index 0000000..0e7f226
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Magche.java
@@ -0,0 +1,5 @@
+package com.hackbulgaria.qa.week2;
+
+public class Magche extends Ivo {
+
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Main.java b/lesson00/src/com/hackbulgaria/qa/week2/Main.java
new file mode 100644
index 0000000..7eb3402
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Main.java
@@ -0,0 +1,31 @@
+package com.hackbulgaria.qa.week2;
+
+import java.util.ArrayList;
+import java.util.Collections;
+
+public class Main {
+	public static void printArray(Object[] arr) {
+		StringBuilder b = new StringBuilder();
+		b.append("[");
+		for (int i = 0; i < arr.length; i++) {
+			b.append(arr[i].toString());
+			
+			if(i != arr.length - 1) {
+				b.append(", ");				
+			}
+		}
+		
+		b.append("]");
+		System.out.println(b.toString());
+	}
+	
+	public static void main(String[] args) {
+		Student ivo = new Student("8");
+		
+		ArrayList<Entity> everything = new ArrayList<>();
+		everything.add(new Student("1"));
+		everything.add(new Teacher("2"));
+		everything.add(ivo);
+		System.out.println(everything);
+	}
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Panda.java b/lesson00/src/com/hackbulgaria/qa/week2/Panda.java
new file mode 100644
index 0000000..0b1bc21
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Panda.java
@@ -0,0 +1,9 @@
+package com.hackbulgaria.qa.week2;
+
+
+public abstract class Panda {
+
+	public Panda() {}
+	public abstract void eat();
+
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Person.java b/lesson00/src/com/hackbulgaria/qa/week2/Person.java
new file mode 100644
index 0000000..1b39ab3
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Person.java
@@ -0,0 +1,61 @@
+package com.hackbulgaria.qa.week2;
+
+public class Person implements Comparable<Person> {
+	private String name;
+	private int age;
+	
+	public Person(String name, int age) {
+		this.name = name;
+		this.age = age;
+	}
+	
+	public String getName() {
+		return name;
+	}
+	
+	public void setName(String name) {
+		this.name = name;
+	}
+	
+	public int getAge() {
+		return age;
+	}
+	public void setAge(int age) {
+		this.age = age;
+	}
+	
+	public String toString() {
+		StringBuilder b = new StringBuilder();
+		
+		b.append("(");
+		b.append(name);
+		b.append(", ");
+		b.append(age);
+		b.append(")");
+		
+		return b.toString();
+	}
+
+	@Override
+	public int compareTo(Person o) {
+		if(this.age == o.age) {
+			return 0;
+		}
+		
+		if(this.age < o.age) {
+			return -1;
+		}
+		
+		return 1;
+	}
+}
+
+
+
+
+
+
+
+
+
+
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/PersonComparator.java b/lesson00/src/com/hackbulgaria/qa/week2/PersonComparator.java
new file mode 100644
index 0000000..1c9747a
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/PersonComparator.java
@@ -0,0 +1,16 @@
+package com.hackbulgaria.qa.week2;
+
+import java.util.Comparator;
+
+public class PersonComparator implements Comparator<Person>{
+
+	@Override
+	public int compare(Person o1, Person o2) {
+		if(o1.getAge() == o2.getAge()) {
+			return o1.getName().compareTo(o2.getName());
+		}
+		
+		return o1.compareTo(o2);
+	}
+
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/PythonRunner.java b/lesson00/src/com/hackbulgaria/qa/week2/PythonRunner.java
new file mode 100644
index 0000000..bfa4cd2
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/PythonRunner.java
@@ -0,0 +1,18 @@
+package com.hackbulgaria.qa.week2;
+
+public class PythonRunner extends Runner {
+	public PythonRunner(String code, String test) {
+		super(code, test);
+	}
+
+	public void lint() {}
+	public void compile() {}
+
+	public void execute() {
+//		Пусни python програмата в OS–а
+//		Заедно с тестовете и кода
+//		Гледай за някакви неща / while true / fork-loops и т.н
+//		Вземи резултата
+		result = "OK";
+	}
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/RealPythonRunner.java b/lesson00/src/com/hackbulgaria/qa/week2/RealPythonRunner.java
new file mode 100644
index 0000000..d56dab4
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/RealPythonRunner.java
@@ -0,0 +1,12 @@
+package com.hackbulgaria.qa.week2;
+
+public class RealPythonRunner extends PythonRunner {
+	public RealPythonRunner(String code, String test) {
+		super(code, test);
+	}
+	@Override
+	public void execute() {
+		super.execute();
+		result = "NOT OK";
+	}
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Runner.java b/lesson00/src/com/hackbulgaria/qa/week2/Runner.java
new file mode 100644
index 0000000..eb25fc2
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Runner.java
@@ -0,0 +1,24 @@
+package com.hackbulgaria.qa.week2;
+
+public abstract class Runner {
+	protected String result;
+	protected String code;
+	protected String test;
+	
+	public Runner(String code, String test) {
+		this.code = code;
+		this.test = test;
+	}
+	
+	public String run() {
+		lint();
+		compile();
+		execute();
+		
+		return result;
+	}
+	
+	public abstract void lint();
+	public abstract void compile();
+	public abstract void execute();
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/SomeClass.java b/lesson00/src/com/hackbulgaria/qa/week2/SomeClass.java
new file mode 100644
index 0000000..417d5f7
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/SomeClass.java
@@ -0,0 +1,32 @@
+package com.hackbulgaria.qa.week2;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.NoSuchFileException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+
+public class SomeClass {
+
+	public static void main(String[] args) {
+		Path path = Paths.get("/home/radorado/code/Loki/R.md");
+
+		try {
+			List<String> lines = Files.readAllLines(path);
+			System.out.println(lines);
+		} catch (NoSuchFileException fnfe) {
+			System.out.println("File not found: " + fnfe.getMessage());
+			System.out
+					.println("Please ensure that you have created the file, before running again.");
+			fnfe.printStackTrace();
+
+		} catch (IOException e) {
+			System.out.println(e.toString());
+			System.out.println("Here");
+		} catch(final Exception e) {
+			throw e;
+		}
+	}
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Student.java b/lesson00/src/com/hackbulgaria/qa/week2/Student.java
new file mode 100644
index 0000000..e99672e
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Student.java
@@ -0,0 +1,12 @@
+package com.hackbulgaria.qa.week2;
+
+public class Student extends Entity {
+	public Student(String identifier) {
+		super(identifier);
+	}
+	
+	@Override
+	public String getIdentifier() {
+		return "Student::" + getId();
+	}
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/Teacher.java b/lesson00/src/com/hackbulgaria/qa/week2/Teacher.java
new file mode 100644
index 0000000..babc281
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/Teacher.java
@@ -0,0 +1,14 @@
+package com.hackbulgaria.qa.week2;
+
+public class Teacher extends Entity {
+
+	public Teacher(String identifier) {
+		super(identifier);
+	}
+	
+	@Override
+	public String getIdentifier() {
+		return "Teacher::" + getId();
+	}
+
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/summary/A.java b/lesson00/src/com/hackbulgaria/qa/week2/summary/A.java
new file mode 100644
index 0000000..a71d5f6
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/summary/A.java
@@ -0,0 +1,5 @@
+package com.hackbulgaria.qa.week2.summary;
+
+public class A extends B implements C, D {
+
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/summary/B.java b/lesson00/src/com/hackbulgaria/qa/week2/summary/B.java
new file mode 100644
index 0000000..d4f1fcf
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/summary/B.java
@@ -0,0 +1,5 @@
+package com.hackbulgaria.qa.week2.summary;
+
+public class B {
+
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/summary/C.java b/lesson00/src/com/hackbulgaria/qa/week2/summary/C.java
new file mode 100644
index 0000000..da3cbf1
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/summary/C.java
@@ -0,0 +1,5 @@
+package com.hackbulgaria.qa.week2.summary;
+
+public interface C {
+
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/summary/D.java b/lesson00/src/com/hackbulgaria/qa/week2/summary/D.java
new file mode 100644
index 0000000..93e2d20
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/summary/D.java
@@ -0,0 +1,5 @@
+package com.hackbulgaria.qa.week2.summary;
+
+public interface D {
+
+}
diff --git a/lesson00/src/com/hackbulgaria/qa/week2/summary/E.java b/lesson00/src/com/hackbulgaria/qa/week2/summary/E.java
new file mode 100644
index 0000000..4f7f4c8
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/qa/week2/summary/E.java
@@ -0,0 +1,5 @@
+package com.hackbulgaria.qa.week2.summary;
+
+public class E extends A {
+
+}
diff --git a/lesson00/src/com/hackbulgaria/week2/tdd/BankAccount.java b/lesson00/src/com/hackbulgaria/week2/tdd/BankAccount.java
new file mode 100644
index 0000000..22a0870
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/week2/tdd/BankAccount.java
@@ -0,0 +1,12 @@
+package com.hackbulgaria.week2.tdd;
+
+import java.util.Currency;
+
+import javax.transaction.InvalidTransactionException;
+
+public interface BankAccount {
+	public Currency getCurrency();
+	public Integer getBalance();
+	public void deposit(Integer amount);
+	public void withdraw(Integer amount) throws NotEnoughMoney;
+}
diff --git a/lesson00/src/com/hackbulgaria/week2/tdd/BankAccountImpl.java b/lesson00/src/com/hackbulgaria/week2/tdd/BankAccountImpl.java
new file mode 100644
index 0000000..98554f1
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/week2/tdd/BankAccountImpl.java
@@ -0,0 +1,41 @@
+package com.hackbulgaria.week2.tdd;
+
+import java.util.Currency;
+
+public class BankAccountImpl implements BankAccount {
+
+	private int currentBalance;
+
+	public BankAccountImpl() {
+		this(0);
+	}
+	
+	public BankAccountImpl(int initialAmount) {
+		this.currentBalance = initialAmount;
+	}
+	
+	@Override
+	public Currency getCurrency() {
+		return Currency.getInstance("BGN");
+	}
+
+	@Override
+	public Integer getBalance() {
+		return currentBalance;
+	}
+
+	@Override
+	public void deposit(Integer amount) {
+		currentBalance += amount;
+	}
+
+	@Override
+	public void withdraw(Integer amount) throws NotEnoughMoney {
+		if(currentBalance - amount < 0) {
+			throw new NotEnoughMoney();
+		}
+		
+		currentBalance -= amount;
+	}
+
+}
diff --git a/lesson00/src/com/hackbulgaria/week2/tdd/BulgarianBankAccountTests.java b/lesson00/src/com/hackbulgaria/week2/tdd/BulgarianBankAccountTests.java
new file mode 100644
index 0000000..5a7743d
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/week2/tdd/BulgarianBankAccountTests.java
@@ -0,0 +1,106 @@
+package com.hackbulgaria.week2.tdd;
+
+import static org.junit.Assert.*;
+
+import java.util.Currency;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class BulgarianBankAccountTests {
+	
+	private BankAccount zeroAccount;
+	private BankAccount hundredAccount;
+
+	@Before
+	public void setUp() {
+		BankAccount zeroAccount = new BankAccountImpl();
+		this.zeroAccount = zeroAccount;
+		
+		BankAccount hundredAccount = new BankAccountImpl(100);
+		this.hundredAccount = hundredAccount;
+	}
+	
+	@Test
+	public void testWhenCreatingNewAccountBalanceShouldBeZero() {
+		assertEquals(new Integer(0), zeroAccount.getBalance());
+	}
+	
+	@Test
+	public void testWhenCreatingNewAccountWithInitialBalanceThatBalanceCheckHolds() {		
+		assertEquals(new Integer(100), hundredAccount.getBalance());
+	}
+	
+	@Test
+	public void testThatInBulgarianBankAccountCurrencyIsBgn() {
+		//		factory pattern
+		Currency bgn = Currency.getInstance("BGN");
+		
+		assertEquals(bgn, zeroAccount.getCurrency());
+	}
+	
+	@Test
+	public void testThatIfWeDepositInNewAccountBalanceShouldBeTheDepositedAmount() {
+		zeroAccount.deposit(100);
+		
+		assertEquals(new Integer(100), zeroAccount.getBalance());
+	}
+
+	@Test
+	public void testThatIfWeDepositInBankAccountWithInitialBalanceTheBalanceShouldBeSummed() {
+		
+		hundredAccount.deposit(100);
+		
+		assertEquals(new Integer(200), hundredAccount.getBalance());
+	}
+	
+	@Test
+	public void testWithdrawingFromBankAccountWithEnoughInitialBalance() {
+		try {
+			hundredAccount.withdraw(20);
+		} catch (NotEnoughMoney e) {
+			fail("Should not be here - exception thrown when it's not needed.");
+		}
+		
+		assertEquals(new Integer(80), hundredAccount.getBalance());
+	}
+	
+	@Test
+	public void testWhenWeEmptyTheBankAccountBalanceShouldBeZero() {
+		try {
+			hundredAccount.withdraw(100);
+		} catch (NotEnoughMoney e) {
+			fail("Should not be here - exception thrown when it's not needed.");
+		}
+		
+		assertEquals(new Integer(0), hundredAccount.getBalance());
+	}
+	
+	@Test
+	public void testWithdrawingMoreMoneyThanActualBalanceShouldThrowExpcetion() {
+		boolean inCatch = false;
+		try {
+			hundredAccount.withdraw(200);
+			fail("Should not be here - exception should have been raised.");
+		} catch (NotEnoughMoney e) {
+			inCatch = true;
+		} finally {
+			assertEquals(true, inCatch);
+			assertEquals(new Integer(100), hundredAccount.getBalance());
+		}
+	}
+	
+	@Test
+	public void testWithdrawingNegativeAmountOfMoneyShouldThrowInvalidOperation() {
+		boolean inCatch = false;
+		try {
+			hundredAccount.withdraw(200);
+			fail("Should not be here - exception should have been raised.");
+		} catch (NotEnoughMoney e) {
+			inCatch = true;
+		} finally {
+			assertEquals(true, inCatch);
+			assertEquals(new Integer(100), hundredAccount.getBalance());
+		}
+	}
+}
diff --git a/lesson00/src/com/hackbulgaria/week2/tdd/Main.java b/lesson00/src/com/hackbulgaria/week2/tdd/Main.java
new file mode 100644
index 0000000..bfbd138
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/week2/tdd/Main.java
@@ -0,0 +1,8 @@
+package com.hackbulgaria.week2.tdd;
+
+import java.util.Currency;
+
+public class Main {
+public static void main(String[] args) {
+}
+}
diff --git a/lesson00/src/com/hackbulgaria/week2/tdd/NotEnoughMoney.java b/lesson00/src/com/hackbulgaria/week2/tdd/NotEnoughMoney.java
new file mode 100644
index 0000000..5a76052
--- /dev/null
+++ b/lesson00/src/com/hackbulgaria/week2/tdd/NotEnoughMoney.java
@@ -0,0 +1,5 @@
+package com.hackbulgaria.week2.tdd;
+
+public class NotEnoughMoney extends Exception {
+
+}