diff --git a/build.gradle b/build.gradle
index ed0d18c..d584d6d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,17 +9,6 @@ repositories {
     mavenCentral()
 }
 
-sourceSets {
-    main {
-        java {
-            srcDirs = ['src']
-        }
-    }
-    test{
-        java{
-        }
-    }
-}
 
 dependencies {
     testImplementation platform('org.junit:junit-bom:5.10.0')
diff --git a/src/ru/mentee/power/Calculator.java b/src/main/java/ru/mentee/power/Calculator.java
similarity index 100%
rename from src/ru/mentee/power/Calculator.java
rename to src/main/java/ru/mentee/power/Calculator.java
diff --git a/src/ru/mentee/power/CurrencyConverter.java b/src/main/java/ru/mentee/power/CurrencyConverter.java
similarity index 100%
rename from src/ru/mentee/power/CurrencyConverter.java
rename to src/main/java/ru/mentee/power/CurrencyConverter.java
diff --git a/src/ru/mentee/power/DataTypeBoundaries.java b/src/main/java/ru/mentee/power/DataTypeBoundaries.java
similarity index 100%
rename from src/ru/mentee/power/DataTypeBoundaries.java
rename to src/main/java/ru/mentee/power/DataTypeBoundaries.java
diff --git a/src/ru/mentee/power/DataTypesInAction.java b/src/main/java/ru/mentee/power/DataTypesInAction.java
similarity index 100%
rename from src/ru/mentee/power/DataTypesInAction.java
rename to src/main/java/ru/mentee/power/DataTypesInAction.java
diff --git a/src/ru/mentee/power/Greeting.java b/src/main/java/ru/mentee/power/Greeting.java
similarity index 100%
rename from src/ru/mentee/power/Greeting.java
rename to src/main/java/ru/mentee/power/Greeting.java
diff --git a/src/ru/mentee/power/HelloGit.java b/src/main/java/ru/mentee/power/HelloGit.java
similarity index 100%
rename from src/ru/mentee/power/HelloGit.java
rename to src/main/java/ru/mentee/power/HelloGit.java
diff --git a/src/ru/mentee/power/HelloWorld.java b/src/main/java/ru/mentee/power/HelloWorld.java
similarity index 100%
rename from src/ru/mentee/power/HelloWorld.java
rename to src/main/java/ru/mentee/power/HelloWorld.java
diff --git a/src/ru/mentee/power/SmartCalculator.java b/src/main/java/ru/mentee/power/SmartCalculator.java
similarity index 100%
rename from src/ru/mentee/power/SmartCalculator.java
rename to src/main/java/ru/mentee/power/SmartCalculator.java
diff --git a/src/ru/mentee/power/TypePuzzle.java b/src/main/java/ru/mentee/power/TypePuzzle.java
similarity index 100%
rename from src/ru/mentee/power/TypePuzzle.java
rename to src/main/java/ru/mentee/power/TypePuzzle.java
diff --git a/src/main/java/ru/mentee/power/datatype/Mentee.java b/src/main/java/ru/mentee/power/datatype/Mentee.java
new file mode 100644
index 0000000..0447224
--- /dev/null
+++ b/src/main/java/ru/mentee/power/datatype/Mentee.java
@@ -0,0 +1,69 @@
+package ru.mentee.power.datatype;
+
+public class Mentee {
+    private String name;
+    private String surname;
+    private int age;
+    private double avgGrade;
+    private int level;
+
+    public Mentee(String name, String surname, int age, double avgGrade, int level) {
+        this.name = name;
+        this.surname = surname;
+        this.age = age;
+        this.avgGrade = avgGrade;
+        this.level = level > 5 || level < 1 ? 1 : level;
+    }
+
+    public void displayInfo() {
+        System.out.printf("Менти: %s %s\n Возраст: %d\n Средний балл: %f\n Уровень: %d\n"
+                , this.name, this.surname, this.age, this.avgGrade, this.level);
+
+    }
+
+    public boolean isExcellent() {
+        return avgGrade >= 4.5;
+    }
+
+    public boolean advanceToNextLevel() {
+        if (level < 5) {
+            level++;
+            return true;
+        }
+        return false;
+    }
+
+    public int calculateScholarship() {
+        if (avgGrade >= 4.5)
+            return 2000;
+        else if (avgGrade >= 4.0)
+            return 1500;
+        else return 1000;
+    }
+
+    // Геттеры и сеттеры для доступа к приватным полям
+    public String getFirstName() {
+        return name;
+    }
+
+    public String getLastName() {
+        return surname;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public double getAverageGrade() {
+        return avgGrade;
+    }
+
+    public void setAverageGrade(double averageGrade) {
+        this.avgGrade = averageGrade;
+    }
+
+    public int getLevel() {
+        return level;
+    }
+
+}
diff --git a/src/main/java/ru/mentee/power/datatype/MenteeDemo.java b/src/main/java/ru/mentee/power/datatype/MenteeDemo.java
new file mode 100644
index 0000000..ac294ff
--- /dev/null
+++ b/src/main/java/ru/mentee/power/datatype/MenteeDemo.java
@@ -0,0 +1,22 @@
+package ru.mentee.power.datatype;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MenteeDemo {
+    public static void main(String[] args) {
+        List<Mentee> menteeList = new ArrayList<>();
+
+        menteeList.add( new Mentee("Alexandr", "Poltavets", 25, 4.7, 1));
+        menteeList.add(new Mentee("Ivan", "Ivanov", 23, 3.5, 2));
+        menteeList.add( new Mentee("Sveta", "Igoreva", 27, 4.1, 3));
+
+        for (Mentee mentee : menteeList){
+            mentee.displayInfo();
+            System.out.printf("%s является отличником? %b\n", mentee.getFirstName(), mentee.isExcellent());
+            mentee.advanceToNextLevel();
+        }
+
+
+    }
+}
diff --git a/src/ru/mentee/power/datatypes/DataTypesExample.java b/src/main/java/ru/mentee/power/datatypes/DataTypesExample.java
similarity index 100%
rename from src/ru/mentee/power/datatypes/DataTypesExample.java
rename to src/main/java/ru/mentee/power/datatypes/DataTypesExample.java
diff --git a/src/ru/mentee/power/variables/ConstantsAndScope.java b/src/main/java/ru/mentee/power/variables/ConstantsAndScope.java
similarity index 100%
rename from src/ru/mentee/power/variables/ConstantsAndScope.java
rename to src/main/java/ru/mentee/power/variables/ConstantsAndScope.java
diff --git a/src/ru/mentee/power/variables/PersonalCard.java b/src/main/java/ru/mentee/power/variables/PersonalCard.java
similarity index 100%
rename from src/ru/mentee/power/variables/PersonalCard.java
rename to src/main/java/ru/mentee/power/variables/PersonalCard.java
diff --git a/src/ru/mentee/power/variables/StringOperations.java b/src/main/java/ru/mentee/power/variables/StringOperations.java
similarity index 100%
rename from src/ru/mentee/power/variables/StringOperations.java
rename to src/main/java/ru/mentee/power/variables/StringOperations.java
diff --git a/src/ru/mentee/power/variables/TemperatureConverter.java b/src/main/java/ru/mentee/power/variables/TemperatureConverter.java
similarity index 100%
rename from src/ru/mentee/power/variables/TemperatureConverter.java
rename to src/main/java/ru/mentee/power/variables/TemperatureConverter.java
diff --git a/src/ru/mentee/power/variables/TypeCalculator.java b/src/main/java/ru/mentee/power/variables/TypeCalculator.java
similarity index 100%
rename from src/ru/mentee/power/variables/TypeCalculator.java
rename to src/main/java/ru/mentee/power/variables/TypeCalculator.java
diff --git a/src/ru/mentee/power/variables/Variables.java b/src/main/java/ru/mentee/power/variables/Variables.java
similarity index 100%
rename from src/ru/mentee/power/variables/Variables.java
rename to src/main/java/ru/mentee/power/variables/Variables.java