diff --git a/src/homework2_3/MainClass.java b/src/homework2_3/MainClass.java
new file mode 100644
index 0000000..8f48c54
--- /dev/null
+++ b/src/homework2_3/MainClass.java
@@ -0,0 +1,37 @@
+package homework2_3;
+
+public class MainClass {
+    public static void main(String[] args) {
+
+         String[] words = {"Kripysh","Zuma","Rocky","Sky","Gonschik","Rider",
+                           "Marshal","Everest","Treker","Zuma","Sky","Rocky",
+                           "Sky","Marshal","Treker","Rocky","Sky","Marshal"};
+
+        new SortArraysList().printList(words);
+
+
+        System.out.println("---------------------------------------------------");
+        PhoneBook phoneBook = new PhoneBook();
+        phoneBook.add("name",123);
+        phoneBook.add("name",456);
+        phoneBook.add("name1",12322);
+        phoneBook.add("name1",45622);
+        phoneBook.add("name2",1234444);
+        phoneBook.add("name2",4563333);
+        phoneBook.add("name2",1232211);
+        phoneBook.add("name2",4562255);
+        phoneBook.add("name3",123111111);
+        phoneBook.add("name3",456222222);
+        phoneBook.add("name3",123222233);
+        phoneBook.add("name3",456223333);
+        phoneBook.add("name3",123222321);
+        phoneBook.add("name3",456656546);
+        phoneBook.add("name3",123227876);
+        phoneBook.add("name4",45);
+        phoneBook.get("name");
+        phoneBook.get("name1");
+        phoneBook.get("name2");
+        phoneBook.get("name3");
+        phoneBook.get("name4");
+    }
+}
diff --git a/src/homework2_3/PhoneBook.java b/src/homework2_3/PhoneBook.java
new file mode 100644
index 0000000..3d8872e
--- /dev/null
+++ b/src/homework2_3/PhoneBook.java
@@ -0,0 +1,37 @@
+package homework2_3;
+
+
+import java.util.ArrayList;
+import java.util.HashMap;
+
+
+public class PhoneBook {
+
+    private static HashMap<String, ArrayList<Integer>> phonebook = new HashMap<>();
+
+    void add(String name, int number) {
+        ArrayList<Integer> numb;
+        if ((phonebook.get(name)) != null) {
+            numb = phonebook.get(name);
+            numb.add(number);
+            phonebook.put(name, numb);
+        }else {
+            numb = new ArrayList<>();
+            numb.add(number);
+            phonebook.put(name,numb);
+        }
+
+
+
+    }
+    void get(String name){
+        ArrayList<Integer> numb;
+        if (phonebook.get(name)!= null) {
+            numb = phonebook.get(name);
+            System.out.println(name);
+            for (Integer integer : numb) {
+                System.out.println(integer);
+            }
+        }
+    }
+}
diff --git a/src/homework2_3/SortArraysList.java b/src/homework2_3/SortArraysList.java
new file mode 100644
index 0000000..50b1820
--- /dev/null
+++ b/src/homework2_3/SortArraysList.java
@@ -0,0 +1,40 @@
+package homework2_3;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class SortArraysList {
+//    private static String[] words = {"Kripysh","Zuma","Rocky","Sky","Gonschik","Rider",
+//            "Marshal","Everest","Treker","Zuma","Sky","Rocky","Sky",
+//            "Marshal","Treker","Rocky","Sky"};
+
+    private static List<String> list=  new ArrayList<>();
+
+    public void printList(String[] words){
+        int count=0;
+        for (String word : words) {
+            count = 0;
+            for (String l : list) {
+                if(word.equals(l)){
+                    count++;
+                }
+            }
+            if(count == 0){
+                list.add(word);
+            }
+        }
+        System.out.println(list.toString());
+        System.out.println();
+        for (String l : list) {
+            count = 0;
+            for (String word : words) {
+                if(l.equals(word)){
+                    count++;
+                }
+            }
+            System.out.println(l + " встречается " + count + " раз");
+        }
+
+
+    }
+}
diff --git a/src/homework2_4/ChatController.java b/src/homework2_4/ChatController.java
new file mode 100644
index 0000000..67bddb9
--- /dev/null
+++ b/src/homework2_4/ChatController.java
@@ -0,0 +1,40 @@
+package homework2_4;
+
+import javafx.collections.FXCollections;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.ListView;
+import javafx.scene.control.TextArea;
+import javafx.scene.control.TextField;
+
+
+public class ChatController {
+
+    @FXML
+    public ListView listView;
+
+    @FXML
+    public Button sendButton;
+
+    @FXML
+    public TextArea chatHistory;
+
+    @FXML
+    public TextField textField;
+
+    @FXML
+    public void initialize() {
+        listView.setItems(FXCollections.observableArrayList(MainClass.USERS_DATA));
+        sendButton.setOnAction(event -> sendMessage());
+        textField.setOnAction(event -> sendMessage());
+    }
+
+    private void sendMessage() {
+        chatHistory.appendText(textField.getText());
+        chatHistory.appendText(System.lineSeparator());
+        textField.clear();
+    }
+
+
+
+}
diff --git a/src/homework2_4/MainClass.java b/src/homework2_4/MainClass.java
new file mode 100644
index 0000000..aeb2165
--- /dev/null
+++ b/src/homework2_4/MainClass.java
@@ -0,0 +1,29 @@
+package homework2_4;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class MainClass extends Application {
+
+    public static final List<String> USERS_DATA = Arrays.asList("Vasya","Petiya","Fediya");
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+
+    @Override
+    public void start(Stage primaryStage)throws Exception {
+
+        Parent root = FXMLLoader.load(getClass().getResource("chatBox.fxml"));
+        primaryStage.setTitle("ChatBOX");
+        primaryStage.setScene(new Scene(root));
+        primaryStage.show();
+    }
+}
diff --git a/src/homework2_4/chatBox.fxml b/src/homework2_4/chatBox.fxml
new file mode 100644
index 0000000..98908c7
--- /dev/null
+++ b/src/homework2_4/chatBox.fxml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.ListView?>
+<?import javafx.scene.control.SplitPane?>
+<?import javafx.scene.control.TextArea?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.AnchorPane?>
+
+<AnchorPane prefHeight="600.0" prefWidth="800.0" xmlns="http://javafx.com/javafx/8.0.172-ea" xmlns:fx="http://javafx.com/fxml/1" fx:controller="homework2_4.ChatController">
+    <children>
+        <SplitPane dividerPositions="0.3" layoutX="39.0" layoutY="36.0" prefHeight="160.0" prefWidth="200.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+
+            <items>
+                <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="160.0" prefWidth="100.0">
+
+                    <children>
+                        <ListView fx:id="listView" layoutX="18.0" layoutY="14.0" prefHeight="273.0" prefWidth="200.0" AnchorPane.bottomAnchor="5.0" AnchorPane.leftAnchor="5.0" AnchorPane.rightAnchor="5.0" AnchorPane.topAnchor="5.0" />
+                    </children>
+                </AnchorPane>
+                <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="160.0" prefWidth="100.0">
+
+                    <children>
+                        <SplitPane dividerPositions="0.9" layoutX="80.0" layoutY="28.0" orientation="VERTICAL" prefHeight="200.0" prefWidth="160.0" AnchorPane.bottomAnchor="5.0" AnchorPane.leftAnchor="5.0" AnchorPane.rightAnchor="5.0" AnchorPane.topAnchor="5.0">
+
+                            <items>
+                                <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="100.0" prefWidth="160.0">
+
+                                    <children>
+                                        <TextArea fx:id="chatHistory" layoutX="14.0" layoutY="86.0" prefHeight="200.0" prefWidth="200.0" AnchorPane.bottomAnchor="5.0" AnchorPane.leftAnchor="5.0" AnchorPane.rightAnchor="5.0" AnchorPane.topAnchor="5.0" />
+
+                                    </children>
+                                </AnchorPane>
+                                <AnchorPane maxHeight="56.0" minHeight="56.0" minWidth="0.0" prefHeight="100.0" prefWidth="160.0">
+
+                                    <children>
+                                        <SplitPane dividerPositions="0.8" layoutX="91.0" layoutY="-52.0" prefHeight="160.0" prefWidth="200.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+
+
+                                            <items>
+                                                <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="160.0" prefWidth="100.0">
+
+                                                    <children>
+                                                        <TextField fx:id="textField" layoutX="21.0" layoutY="15.0" AnchorPane.bottomAnchor="2.0" AnchorPane.leftAnchor="2.0" AnchorPane.rightAnchor="2.0" AnchorPane.topAnchor="2.0" />
+
+                                                    </children>
+                                                </AnchorPane>
+                                                <AnchorPane maxHeight="54.0" maxWidth="105.0" minHeight="54.0" minWidth="105.0" prefHeight="160.0" prefWidth="100.0">
+
+                                                    <children>
+                                                        <Button fx:id="sendButton" layoutX="27.0" layoutY="2.0" mnemonicParsing="false" text="SEND" AnchorPane.bottomAnchor="2.0" AnchorPane.leftAnchor="2.0" AnchorPane.rightAnchor="2.0" AnchorPane.topAnchor="2.0" />
+
+                                                    </children>
+                                                </AnchorPane>
+                                            </items>
+                                        </SplitPane>
+                                    </children>
+                                </AnchorPane>
+                            </items>
+                        </SplitPane>
+                    </children>
+                </AnchorPane>
+            </items>
+        </SplitPane>
+    </children>
+</AnchorPane>
diff --git a/src/lesson8/MainClass.java b/src/lesson8/MainClass.java
new file mode 100644
index 0000000..551dd40
--- /dev/null
+++ b/src/lesson8/MainClass.java
@@ -0,0 +1,50 @@
+package lesson8;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class MainClass {
+    private static final int SIZE = 3;
+
+    static class Form1 extends JFrame {
+
+        public Form1(){
+            setTitle("Test Window");
+            setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+            setBounds(300,300,105*SIZE,115*SIZE);
+
+            Button[] buttons = new Button[SIZE * SIZE];
+            for(int i = 0; i < SIZE; i++ ){
+                for (int j = 0; j < SIZE; j ++) {
+                    buttons[SIZE*i+j] = new Button("*");
+                    buttons[SIZE*i+j].setBounds(100*i,100*j,100,100);
+                }
+            }
+            setLayout(null);
+            for (Button button : buttons) {
+                add(button);
+                button.addActionListener(new ActionListener() {
+                    @Override
+                    public void actionPerformed(ActionEvent e) {
+                        System.out.println("x");
+                        button.setLabel("X");
+                    }
+                });
+            }
+            setVisible(true);
+        }
+
+    }
+
+    public static void main(String[] args) {
+        //new Form1();
+        EventQueue.invokeLater(new Runnable() {
+            @Override
+            public void run() {
+                new Form1();
+            }
+        });
+    }
+}