diff --git a/ex1/Human.java b/ex1/Human.java
new file mode 100644
index 0000000..e37e530
--- /dev/null
+++ b/ex1/Human.java
@@ -0,0 +1,22 @@
+package exercise1;
+
+
+public abstract class Human {
+    private String fullName;
+
+    public String getFullName() {
+        return fullName;
+    }
+
+    public void setFullName(String fullName) {
+        this.fullName = fullName;
+    }
+
+    public void sayMyName() {
+        System.out.println("im a human!");
+    }
+
+    public final void staticPrint() {
+        System.out.println("this function should always print this string in all subclasses");
+    }
+}
diff --git a/ex1/Main.java b/ex1/Main.java
new file mode 100644
index 0000000..1b9161a
--- /dev/null
+++ b/ex1/Main.java
@@ -0,0 +1,14 @@
+package exercise1;
+ 
+public class Main {
+    public static void main(String[] args) {
+        Student student = new Student("amir", "222","Mathematics","Teh");
+        Professor professor = new Professor("Dr.Asqari","Data Science", "Computer",1);
+        System.out.println(student instanceof Human);
+        System.out.println(professor instanceof Human);
+        Human human = new Student("Soqra","333", "cs","Esf");
+        human.sayMyName();
+        Human human1 = new Professor("Dr.Akbari","Math","Science",2);
+        human1.sayMyName();
+    }
+}
diff --git a/ex1/Professor.java b/ex1/Professor.java
new file mode 100644
index 0000000..4723ad2
--- /dev/null
+++ b/ex1/Professor.java
@@ -0,0 +1,42 @@
+package exercise1;
+
+ 
+public class Professor extends Human {
+    private String professorSpecialty;
+    private String professorFaculty;
+    private int numberOfCourses;
+    public Professor(String fullName,String professorSpecialty,String professorFaculty, int numberOfCourses){
+        super(fullName);
+        setProfessorSpecialty(professorSpecialty);
+        setProfessorFaculty(professorFaculty);
+        setNumberOfCourses(numberOfCourses);
+
+    }
+
+    public String getProfessorSpecialty() {
+        return professorSpecialty;
+    }
+
+    public void setProfessorSpecialty(String professorSpecialty) {
+        this.professorSpecialty = professorSpecialty;
+    }
+
+    public String getProfessorFaculty() {
+        return professorFaculty;
+    }
+
+    public void setProfessorFaculty(String professorFaculty) {
+        this.professorFaculty = professorFaculty;
+    }
+
+    public int getNumberOfCourses() {
+        return numberOfCourses;
+    }
+
+    public void setNumberOfCourses(int numberOfCourses) {
+        this.numberOfCourses = numberOfCourses;
+    }
+    public void sayMyName(){
+        System.out.println("FullName:" + getFullName() + ",Faculty:" + getProfessorFaculty());
+    }
+}
diff --git a/ex1/Student.java b/ex1/Student.java
new file mode 100644
index 0000000..fcd7857
--- /dev/null
+++ b/ex1/Student.java
@@ -0,0 +1,39 @@
+package exercise1;
+
+public class Student extends Human {
+    private String studentNumber;
+    private String majorName;
+    private String universityName;
+
+    public Student(String fullName,String studentNumber,String majorName,String universityName) {
+        super(fullName);
+        setStudentNumber(studentNumber);
+        setMajorName(majorName);
+        setUniversityName(universityName);
+    }
+    public String getStudentNumber(){
+        return studentNumber;
+    }
+    public void setStudentNumber(){
+        this.studentNumber = studentNumber;
+    }
+
+    public String getMajorName() {
+        return majorName;
+    }
+
+    public void setMajorName(String majorName) {
+        this.majorName = majorName;
+    }
+
+    public String getUniversityName() {
+        return universityName;
+    }
+
+    public void setUniversityName(String universityName) {
+        this.universityName = universityName;
+    }
+    public void sayMayName(){
+        System.out.println("Fullname:" + getFullName());
+    }
+}
diff --git a/ex1/soal9.pdf b/ex1/soal9.pdf
new file mode 100644
index 0000000..b88d847
Binary files /dev/null and b/ex1/soal9.pdf differ