diff --git a/src/main/java/lessons/lesson02/Main.java b/src/main/java/lessons/lesson02/Main.java
new file mode 100644
index 0000000..a75844d
--- /dev/null
+++ b/src/main/java/lessons/lesson02/Main.java
@@ -0,0 +1,55 @@
+package lessons.lesson02;
+
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+//        Problems first = new Problems();
+//        first.first();
+//
+//        Problems second = new Problems();
+//        second.second();
+//
+//        Problems third = new Problems();
+//        third.third();
+//
+//        Problems fourth = new Problems();
+//        fourth.fourth();
+
+//        Problems five = new Problems();
+//        five.fifth();
+//
+//        Problems six = new Problems();
+//        six.sixth_reverse();
+
+//        Problems eight = new Problems();
+//        eight.eighth();
+//
+//        Problems nine = new Problems();
+//        nine.ninth_simpleNumbers();
+
+//        Problems2 changer = new Problems2();
+//        changer.changeValue();
+
+//        Problems2 tableOfMult = new Problems2();
+//        tableOfMult.tableOfMultiplications();
+
+//        Problems2 currency = new Problems2();
+//        currency.converterOfCurrency();
+
+//        Problems2 number = new Problems2();
+//        number.evenOrOdd();
+
+//        Problems2 bigger = new Problems2();
+//        bigger.checkBigger();
+
+//        Problems2 cal = new Problems2();
+//        cal.calculator();
+
+//        Problems2 average = new Problems2();
+//        average.average();
+
+        Problems2 search = new Problems2();
+        search.search();
+    }
+}
diff --git a/src/main/java/lessons/lesson02/Problems.java b/src/main/java/lessons/lesson02/Problems.java
new file mode 100644
index 0000000..4b14e6e
--- /dev/null
+++ b/src/main/java/lessons/lesson02/Problems.java
@@ -0,0 +1,97 @@
+package lessons.lesson02;
+
+import java.util.Scanner;
+
+public class Problems {
+
+    void first() {  // oneToHundread
+        for (int i = 1; i <= 100; i++) {
+            System.out.print(i + " ");
+            if (i % 10 == 0) {
+                System.out.println();
+            }
+        }
+        System.out.println();
+    }
+
+
+    void second() { // sum_oneTo_N
+        Scanner inputNumber = new Scanner(System.in);
+        System.out.println("Input a number: ");
+        int number = inputNumber.nextInt();
+        int res = 0;
+        for (int i = 1; i <= number; i++) {
+            res += i;
+        }
+        System.out.println(res + "\n");
+    }
+
+    void third() { // multiply_one_to_N
+        Scanner input = new Scanner(System.in);
+        System.out.println("Input a number: ");
+        int number = input.nextInt();
+        int res = 1;
+        for (int i = 1; i <= number; i++) {
+            res *= i;
+        }
+        System.out.println(res + "\n");
+    }
+
+    void fourth() { // sumOfEvenNumbers
+        Scanner input = new Scanner(System.in);
+        System.out.println("Input a number: ");
+        int number = input.nextInt();
+        int res = 0;
+        for (int i = 1; i <= number; i++) {
+            if (i % 2 == 0) {
+                res += i;
+            }
+        }
+        System.out.println(res + "\n");
+    }
+
+    void fifth() { // Sum of String numbers
+        Scanner input = new Scanner(System.in);
+        System.out.println("Input a number: ");
+        int number = input.nextInt();
+        int res = 0;
+        while (number > 0) {
+            res += number % 10;
+            number = number / 10;
+        }
+        System.out.println(res + "\n");
+    }
+
+    void sixth_reverse() { // reversing number
+        Scanner input = new Scanner(System.in);
+        System.out.println("Input a number: ");
+        int reverse = 0;
+        int number = input.nextInt();
+        while (number > 0) {
+            reverse = reverse * 10 + number % 10;
+            number = number / 10;
+        }
+        System.out.println(reverse + "\n");
+    }
+
+
+    void eighth() { // finds a number divisible by 7 and bigger than 1000
+        for (int number = 1000; number < Integer.MAX_VALUE; number++) {
+            if (number % 7 == 0) {
+                System.out.println(number);
+                break;
+            }
+        }
+    }
+
+    void ninth_simpleNumbers() { // Shows only simple numbers
+        Scanner input = new Scanner(System.in);
+        System.out.println("Input a number: ");
+        int number = input.nextInt();
+        for (int i = 0; i <= number; i++) {
+            if (i % 2 != 0) {
+                System.out.println(i);
+            }
+        }
+    }
+}
diff --git a/src/main/java/lessons/lesson02/Problems2.java b/src/main/java/lessons/lesson02/Problems2.java
new file mode 100644
index 0000000..777b44e
--- /dev/null
+++ b/src/main/java/lessons/lesson02/Problems2.java
@@ -0,0 +1,151 @@
+package lessons.lesson02;
+
+import java.util.Random;
+
+public class Problems2 {
+
+
+    void changeValue() {
+        System.out.println("Input two values: ");
+        int num1 = Utils.input.nextInt();
+        int num2 = Utils.input.nextInt();
+        System.out.println(num2 + " " + num1);
+    }
+
+    void tableOfMultiplications() {
+        System.out.println("Choose operation: \n1:Table of multiplication\n2: The specific raw");
+        int numOfoper = Utils.input.nextInt();
+
+        if (numOfoper == 1) {
+            for (int i = 1; i <= 9; i++) {
+                for (int j = 1; j <= 9; j++) {
+                    int res = i * j;
+                    System.out.print(j + " * " + i + " = " + res + "\t");
+                }
+                System.out.println();
+            }
+        } else if (numOfoper == 2) {
+            System.out.println("Input a number to see a raw of table: ");
+            int num = Utils.input.nextInt();
+            for (int i = 1, j = num; i <= 9; i++) {
+                int res = j * i;
+                System.out.println(j + " * " + i + " = " + res);
+            }
+        }
+    }
+
+    void converterOfCurrency() {
+        int exchange = 12500;
+        System.out.println("Input the value in $ to convert into UZD: ");
+        double value = Utils.input.nextDouble();
+        System.out.println(exchange * value);
+    }
+
+    void evenOrOdd() {
+        System.out.println("Input a number to check: ");
+        int number = Utils.input.nextInt();
+        if (number % 2 == 0) {
+            System.out.println(number + " is even");
+        } else {
+            System.out.println(number + " is odd");
+        }
+    }
+
+    void checkBigger() {
+        System.out.println("Print a three number by enter: ");
+
+        int num1 = Utils.input.nextInt();
+        int num2 = Utils.input.nextInt();
+        int num3 = Utils.input.nextInt();
+
+        if (num1 > num2 && num1 > num3) {
+            System.out.println("The biggest number is: " + num1);
+        } else if (num2 > num1 && num2 > num3) {
+            System.out.println("The biggest number is: " + num2);
+        } else {
+            System.out.println("The biggest number is: " + num3);
+        }
+    }
+
+    void calculator() {
+        System.out.println("Input first number: ");
+        double num1 = Utils.input.nextDouble();
+
+        System.out.println("Input second number: ");
+        double num2 = Utils.input.nextDouble();
+
+        System.out.println("Input an operation with numbers: (+, -, *, /, %)");
+        String operation = Utils.input.next();
+
+        switch (operation) {
+            case "+":
+                System.out.println(num1 + num2);
+                break;
+            case "-":
+                System.out.println(num1 - num2);
+                break;
+            case "*":
+                System.out.println(num1 * num2);
+                break;
+            case "/":
+                System.out.println(num1 / num2);
+                break;
+            case "%":
+                System.out.println(num1 % num2);
+                break;
+            default:
+                System.out.println("Unknown operation! Try again.");
+        }
+    }
+
+    void average() {
+        System.out.print("How many numbers do yo want to write: ");
+        int n = Utils.input.nextInt();
+        System.out.print("Print them: ");
+        int[] numbers = new int[n];
+        int avr = 0;
+        for (int i = 0; i < n; i++) {
+            numbers[i] = Utils.input.nextInt();
+        }
+        for (int number : numbers) {
+            avr += number;
+        }
+        System.out.println("Average: " + avr);
+    }
+
+    void search() {
+        System.out.print("How many numbers do you want write: ");
+        int n = Utils.input.nextInt();
+        System.out.print("Print an array of numbers: ");
+        int[] numbers = new int[n];
+        for (int i = 0; i < n; i++) {
+            numbers[i] = Utils.input.nextInt();
+        }
+        System.out.print("Input a number to search it in the array: ");
+        int search = Utils.input.nextInt();
+        boolean found = false;
+        for (int number : numbers) {
+            if (search == number) {
+                found = true;
+                break;
+            }
+        }
+        if (found) {
+            System.out.println("The number is found in the array!");
+        } else {
+            System.out.println("No such number! Try again.");
+        }
+    }
+
+    void random1() {
+        Random random = new Random();
+        int number = random.nextInt(100);
+        System.out.println("You have 3 chances to guess right number\nFirst: ");
+        int try1 = Utils.input.nextInt();
+        int try2 = Utils.input.nextInt();
+        int try3 = Utils.input.nextInt();
+        if (number == try1) {
+            System.out.println("Found!");
+        }
+    }
+}
diff --git a/src/main/java/lessons/lesson02/Utils.java b/src/main/java/lessons/lesson02/Utils.java
new file mode 100644
index 0000000..429c897
--- /dev/null
+++ b/src/main/java/lessons/lesson02/Utils.java
@@ -0,0 +1,7 @@
+package lessons.lesson02;
+
+import java.util.Scanner;
+
+public class Utils {
+    public static final Scanner input = new Scanner(System.in);
+}