diff --git a/app/src/main/java/ru/project/DataSource.java b/app/src/main/java/ru/project/DataSource.java
new file mode 100644
index 0000000..38f09f8
--- /dev/null
+++ b/app/src/main/java/ru/project/DataSource.java
@@ -0,0 +1,3 @@
+public interface DataSource {
+    MyList<Student> fill(int size);
+}
diff --git a/app/src/main/java/ru/project/FileDataSource.java b/app/src/main/java/ru/project/FileDataSource.java
new file mode 100644
index 0000000..298e375
--- /dev/null
+++ b/app/src/main/java/ru/project/FileDataSource.java
@@ -0,0 +1,16 @@
+public class FileDataSource implements DataSource{
+    private String path;
+
+    public FileDataSource(String path) {
+        this.path = path;
+    }
+
+    public void setPath(String path) {
+        this.path = path;
+    }
+
+    @Override
+    public MyList<Student> fill(int size) {
+        return null;
+    }
+}
diff --git a/app/src/main/java/ru/project/Main.java b/app/src/main/java/ru/project/Main.java
new file mode 100644
index 0000000..930198c
--- /dev/null
+++ b/app/src/main/java/ru/project/Main.java
@@ -0,0 +1,15 @@
+//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
+// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
+public class Main {
+    public static void main(String[] args) {
+        //TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
+        // to see how IntelliJ IDEA suggests fixing it.
+        System.out.printf("Hello and welcome!");
+
+        for (int i = 1; i <= 5; i++) {
+            //TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
+            // for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
+            System.out.println("i = " + i);
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/project/ManualDataSource.java b/app/src/main/java/ru/project/ManualDataSource.java
new file mode 100644
index 0000000..c373daf
--- /dev/null
+++ b/app/src/main/java/ru/project/ManualDataSource.java
@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+public class ManualDataSource implements DataSource{
+    @Override
+    public MyList<Student> fill(int size) {
+        String strToParse;
+        Scanner scanner = new Scanner(System.in);
+        while(true){
+            strToParse = scanner.next();
+            if (strToParse.equals("0"))
+                break;
+        }
+        scanner.close();
+        return null;
+    }
+}
diff --git a/app/src/main/java/ru/project/MyList.java b/app/src/main/java/ru/project/MyList.java
new file mode 100644
index 0000000..153dca1
--- /dev/null
+++ b/app/src/main/java/ru/project/MyList.java
@@ -0,0 +1,2 @@
+public class MyList <T>{
+}
diff --git a/app/src/main/java/ru/project/RandomDataSource.java b/app/src/main/java/ru/project/RandomDataSource.java
new file mode 100644
index 0000000..021df21
--- /dev/null
+++ b/app/src/main/java/ru/project/RandomDataSource.java
@@ -0,0 +1,6 @@
+public class RandomDataSource implements  DataSource{
+    @Override
+    public MyList<Student> fill(int size) {
+        return null;
+    }
+}
diff --git a/app/src/main/java/ru/project/Student.java b/app/src/main/java/ru/project/Student.java
new file mode 100644
index 0000000..d3fc714
--- /dev/null
+++ b/app/src/main/java/ru/project/Student.java
@@ -0,0 +1,11 @@
+public class Student {
+    private final String groupNumber;
+    private final double averageGrade;
+    private final String recordBookNumber;
+
+    public Student(String groupNumber, double averageGrade, String recordBookNumber) {
+        this.groupNumber = groupNumber;
+        this.averageGrade = averageGrade;
+        this.recordBookNumber = recordBookNumber;
+    }
+}
diff --git a/app/src/main/java/ru/project/StudentBuilder.java b/app/src/main/java/ru/project/StudentBuilder.java
new file mode 100644
index 0000000..9a5146b
--- /dev/null
+++ b/app/src/main/java/ru/project/StudentBuilder.java
@@ -0,0 +1,23 @@
+public class StudentBuilder {
+    private String groupNumber;
+    private double averageGrade;
+    private String recordBookNumber;
+
+    public void setGroupNumber(String groupNumber) {
+        this.groupNumber = groupNumber;
+    }
+
+    public void setAverageGrade(double averageGrade) {
+        this.averageGrade = averageGrade;
+    }
+
+    public void setRecordBookNumber(String recordBookNumber) {
+        this.recordBookNumber = recordBookNumber;
+    }
+
+    public Student build(){
+        //TODO: Реализовать проверку на корректность введенных значений
+
+        return new Student(groupNumber,averageGrade, recordBookNumber);
+    }
+}