Nothing!

group2-s2-9831067/Lab.java

+public class Lab {
+		
+	/**
+	* Create a new lab with a given name and ID number and etc.
+	*
+	* @param fName first name of student
+	* @param avg of student
+	* @param day of student 
+	* 
+	*/
+	 private Student[] students;
+	 private int avg;
+	 private String day;
+	 private int capacity;
+	 private int currentSize;
+	 
+	 public Lab(int cap, String d) {
+		 students = new Student[capacity];
+		 day = d;
+		 capacity = cap ;
+	 }
+	 
+	 public void enrollStudent(Student std) {
+		 
+		 if (currentSize < capacity) {
+			 students[currentSize] = std;
+			 currentSize++;
+		 } 
+		 else {
+			 System.out.println("Lab is full!!!");
+		 }
+	 }
+	 
+	 public void print() {
+		 for(int i= ; i< currentSize ; i++) {
+			 System.out.println("first name is: "+ firstName + "		last name is: "+lastName + "id is : "+ id + "grade is: " +  grade);
+		 }
+	 }
+	 
+	 public Student[] getStudents() {
+		 return students ;
+	 }
+	 
+	 public void setStudents(Student[] students) {
+		 this.students = students ;
+	 }
+	 
+	 public int getAvg() {
+		 return avg ;
+	 }
+	 
+	 public void calculateAvg() {
+		 int sum = 0 ;
+		 for(int i= 0 ; i< currentSize ; i++) {
+			sum += grade.student[i] ; 
+		 }
+		 avg = sum/currentSize ;
+	 }
+	 
+	 public String getDay() {
+		 return day ;
+	 }
+	 
+	 public void setDay(String day) {
+		 this.day = day ;
+	 }
+	 
+	 public int getCapacity() {
+		 return capacity ;
+	 }
+	 public void setCapacity(int capacity) {
+		 this.capacity = capacity ;
+	 }
+}
\ No newline at end of file

group2-s2-9831067/Main.java

+
+
+pubic class Main{
+	public static void main(String[] args) {
+	
+	}
+	
+	
+
+}
\ No newline at end of file

group2-s2-9831067/Run.java

+public class Run {
+	 public static void main(String[] args) {
+		 Student std1 = new Student("Ehsan","Edalat", "9031066");
+		 Student std2 = new Student("Seyed", "Ahmadpanah", "9031806");
+		 Student std3 = new Student("Ahmad", "Asadi", "9031054");
+		 
+		 std1.print();
+		 std1.setGrade(15);
+		 std1.print();
+		
+		 std2.print();
+		 std2.setGrade(11);
+		 std2.print();
+		
+		 std3.print();
+		 std3.setFirstName("HamidReza");
+		 std3.print();
+	 }
+}

group2-s2-9831067/Student.java

+public class Student {
+	 // the student’s first name
+	 private String firstName;
+	 // the student’s last name
+	 private String lastName;
+	 // the student ID
+	 private String id;
+	 //the grade
+	 private int grade;
+	 
+	 /**
+	  * Set a name of student.
+	  * @param sName student 
+	  */
+	 public void setName(String str) {
+		 firstName = str;
+	 }
+	 
+	 /**
+	  * Set a lastName of student.
+	  * @param sLastName student 
+	  */
+	 public void setLastName(String str) {
+		 lastName = str;
+	 }
+	 
+	 /**
+	  * Set a id of student.
+	  * @param sId student 
+	  */
+	 public void setId(String str) {
+		 id = str;
+	 }
+	 
+	 public void print() {
+		 System.out.println("first name is: "+ firstName + "		last name is: "+lastName + "id is : "+ id + "grade is: " +  grade);
+	 }
+	 /**
+	  * Set a grade of student.
+	  * @param sGrade student 
+	  */
+	 public void setGrade(int s) {
+		 grade = s ;
+	 }
+
+	 
+	 /**
+	 * get the first name of student
+	 * @return firstName field
+	 */
+	 public String getLastName() {
+		return lastName;
+	 }
+	 
+	 /**
+	 * get the last name of student
+	 * @return lastName field
+	 */
+	 public String getfirstName() {
+			return firstName;
+	 }
+	 /**
+	 * get the id of student
+	 * @return id field
+	 */
+	 public String getId() {
+			return id;
+	 }
+	 
+	 /**
+	 * get the grade of student
+	 * @return grade field
+	 */
+	 public int getGrade () {
+		 return grade ;
+	 }
+	 
+	 /**
+		* Create a new student with a given name and ID number.
+		*
+		* @param fName first name of student
+		* @param lname last name of student
+		* @param sID student ID
+		*/
+	 public Student(String fName, String lname, String sID){
+	 firstName = fName;
+	 lastName = lname;
+	 id = sID;
+	 grade = 0;
+	 }
+}
\ No newline at end of file