diff --git a/src/encapsulationInheritancePolymorphism/Main.java b/src/encapsulationInheritancePolymorphism/Main.java
new file mode 100644
index 0000000..47dc9d3
--- /dev/null
+++ b/src/encapsulationInheritancePolymorphism/Main.java
@@ -0,0 +1,14 @@
+package encapsulationInheritancePolymorphism;
+
+public class Main {
+    public static void main(String[] args) {
+        Student student = new Student();
+
+
+
+
+        //...
+
+        student.setFaculty("FPM", "MO-22");
+    }
+}
diff --git a/src/encapsulationInheritancePolymorphism/Student.java b/src/encapsulationInheritancePolymorphism/Student.java
index 8d931b9..2ad836d 100644
--- a/src/encapsulationInheritancePolymorphism/Student.java
+++ b/src/encapsulationInheritancePolymorphism/Student.java
@@ -3,8 +3,16 @@ package encapsulationInheritancePolymorphism;
 public class Student {
     private String name;
     private String surname;
+    private String group;
+    private String faculty;
+
 
     public String getName() {
         return name;
     }
+
+    public void setFaculty(String faculty, String group) {
+        this.faculty = faculty;
+        this.group = group;
+    }
 }
diff --git a/src/test/A.java b/src/test/A.java
new file mode 100644
index 0000000..8553a5e
--- /dev/null
+++ b/src/test/A.java
@@ -0,0 +1,13 @@
+package test;
+
+public class A {
+    /*private*/ int f/* = 3*/;
+
+    public int getF() {
+        return f;
+    }
+
+    public void setF(int f) {
+        this.f = f;
+    }
+}
diff --git a/src/test/Main.java b/src/test/Main.java
new file mode 100644
index 0000000..bf9f4b3
--- /dev/null
+++ b/src/test/Main.java
@@ -0,0 +1,15 @@
+package test;
+
+public class Main {
+    public static void main(String[] args) {
+        A a = new A();
+        System.out.println(a.getF());
+        a.setF(1);
+        System.out.println(a.getF());
+
+        System.out.println(a.f);
+
+        int[] array = {1, 2, 1};
+        System.out.println(array.length);
+    }
+}