dastoor kar 2 added

Department.java

+public class Department {
+    //number of labs
+    private int lab;
+    //labs
+    private  Lab[] labs;
+    //number of classes
+    private int classes;
+    //number of vending machines
+    private int vendingMachines;
+    // array of masters names
+    private String[] masters;
+    //recentsize
+    private int recentSize;
+
+    /**
+     * constructor
+     * creates a Department w given params
+     * @param lab
+     * @param masters
+     */
+    public Department(int lab, String[] masters)
+    {
+        this.lab=lab;
+        this.masters=masters;
+        classes=0;
+        vendingMachines=0;
+        recentSize=0;
+        labs = new Lab[lab];
+    }
+
+    /**
+     * method to add a lab to a department
+     * @param lb
+     */
+    public void addLab(Lab lb)
+    {
+        if (recentSize < lab) {
+            labs[recentSize] = lb;
+            recentSize++;
+        }
+        else
+            System.out.println("Lab is full!!!");
+    }
+
+    /**
+     * classes setter
+     * @param classes
+     */
+    public void setClasses(int classes)
+    {
+        this.classes=classes;
+    }
+
+    /**
+     * gets classes
+     * @return
+     */
+    public int getClasses()
+    {
+        return classes;
+    }
+
+    /**
+     * sets vending machines
+     * @param vendingMachines
+     */
+    public void setVendingMachines(int vendingMachines) {
+        this.vendingMachines = vendingMachines;
+    }
+
+    /**
+     * gets vendingmachines
+     * @return
+     */
+    public int getVendingMachines() {
+        return vendingMachines;
+    }
+
+    /**
+     * just a method to print some info
+     */
+    public void printer()
+    {
+        int students=0;
+        for(int i=0;i<lab;i++)
+            students+=labs[i].getCurrentSize();
+        System.out.println("Number of Students : "+students);
+
+        int scoresum=0;
+        for (int i=0;i<lab;i++)
+            scoresum+=labs[i].getAvg()*labs[i].getCurrentSize();
+        int average=scoresum/students;
+        System.out.println("average of all students id : "+ average);
+
+
+        System.out.println("There are "+vendingMachines+" vending machines in department");
+        System.out.println("There are "+classes+" classes in department");
+        System.out.println("Masters are:");
+        for(int i=0;i< masters.length;i++)
+            System.out.println(masters[i]);
+    }
+}

Lab.java

+public class Lab {
+    //an array of type Student
+    private Student[] students;
+    //average grades
+    private  int avg;
+    //week's days
+    private  String day;
+    // class capacity
+    private int capacity;
+    //currentsize
+    private int currentSize;
+
+    /**
+     * create a lab with given capacity and day name
+     * @param cap for capacity
+     * @param d for day
+     */
+    public Lab(int cap , String d)
+    {
+
+        capacity=cap;
+        day=d;
+        avg=0;
+        currentSize=0;
+        students=new Student[capacity];
+    }
+
+    /**
+     * method to add students to a lab
+     * @param std
+     */
+    public void enrollStudent(Student std) {
+        if (currentSize < capacity) {
+            students[currentSize] = std; currentSize++;
+        }
+    else {
+        System.out.println("Lab is full!!!");
+    }
+    }
+
+    /**
+     * printing labs students info!
+     */
+    public void print() {
+        for (int i=0;i<currentSize;i++)
+        {
+            System.out.println("Name: "+students[i].getFirstName()+" "+students[i].getLastNameName()+", Id: "+students[i].getId()+" ,grade: "+students[i].getGrade());
+        }
+        System.out.println("average of class is:"+avg);
+    }
+
+    /**
+     * get the array of type Student
+     * @return students
+     */
+    public Student[] getStudents() {
+        return students;
+    }
+    /**
+     * set students
+     * @param students
+     */
+    public void setStudents(Student[] students) {
+        this.students=students;
+    }
+
+    /**
+     * get average
+     * @return avg
+     */
+    public int getAvg() {
+        return avg;
+    }
+
+    /**
+     * method to calcuate average grades
+     */
+    public void calculateAvg() {
+        int sum=0;
+        for (int i=0;i<currentSize;i++)
+            sum+=students[i].getGrade();
+        avg=sum/currentSize;
+    }
+    /**
+     * get day
+     * @return   the day
+     */
+    public String getDay() {
+        return day;
+    }
+
+    /**
+     * day set method
+     * @param day
+     */
+    public void setDay(String day) {
+        this.day=day;
+    }
+
+    /**
+     *
+     * @return capacity
+     */
+    public int getCapacity() {
+        return capacity;
+    }
+
+    /**
+     * sets capacity
+     * @param capacity
+     */
+    public void setCapacity(int capacity) {
+        this.capacity=capacity;
+    }
+
+    public int getCurrentSize() {
+        return currentSize;
+    }
+}

Run.java

+/**
+ * this class is made to define a lab consisting of a bunch of students
+ * @author Amirfazel
+ * @version 0.0
+ */
+public class Run {
+    public static void main(String[] args)
+    {
+        Student std1 =new Student("ali","rezaii","9931065");
+        Student std2 =new Student("mohamad","karami","9923054");
+        Student std3 =new Student("kazem","kazemi","9923012");
+        Student std4 =new Student("kazem","kazemi","9923012");
+        Student std5 =new Student("mahdi","azizi","9923013");
+        Student std6 =new Student("khorshid","gholami","9923015");
+        std1.setGrade(12);
+        std2.setGrade(15);
+        std3.setGrade(19);
+        std4.setGrade(16);
+        std5.setGrade(17);
+        std6.setGrade(20);
+
+        Lab lab1 = new Lab(12,"monday");
+        lab1.enrollStudent(std1);
+        lab1.enrollStudent(std2);
+        lab1.enrollStudent(std3);
+        lab1.calculateAvg();
+
+        Lab lab2 = new Lab(10,"wednesday");
+        lab2.enrollStudent(std4);
+        lab2.enrollStudent(std5);
+        lab2.enrollStudent(std6);
+        lab2.calculateAvg();
+        lab1.print();
+        lab2.print();
+        String[] masters={"zeinali","kalabsi","edalat"};
+        Department dep1 = new Department(2,masters);
+        dep1.addLab(lab1);
+        dep1.addLab(lab2);
+        dep1.setClasses(13);
+        dep1.setVendingMachines(2);
+       // dep1.printer();
+
+
+
+    }
+}

Student.java

+/**
+ * The Student class represents a student in a student administration system.
+ *
+ * * It holds the student details relevant in our context.
+ * * * @author fazel * @version 0.0
+ */
+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;
+
+
+    /*
+    Create a student with given name and id
+    @param fname first name of student
+    @param lname last name of student
+    @param Sid first students ID
+     */
+    public Student(String fname,String lname, String Sid)
+    {
+        firstName=fname;
+        lastName=lname;
+        id=Sid;
+        grade=0;
+    }
+    /**
+     * @param grade set student's grade
+     */
+    public void setGrade(int grade){
+        this.grade=grade;
+    }
+    /**
+     * get students grade
+     * @return grade
+     */
+    public int getGrade() {
+        return grade;
+    }
+    /**
+     * get  students grade
+     * @return grade
+     */
+    public String getId()
+    {
+        return id;
+    }
+
+    /**
+     * @param fname set first name of student
+     */
+    public void nameSet(String fname)
+    {
+        firstName=fname;
+    }
+    /**
+     * get first name of student
+     * @return firstname field
+     */
+    public String getFirstName()
+    {
+        return firstName;
+    }
+    /**
+     * get last first name of student
+     * @return last name field
+     */
+    public String getLastNameName()
+    {
+        return lastName;
+    }
+
+    /**
+     * printing students last name and ID
+     */
+    public void print()
+    {
+        System.out.println(lastName + ", student ID: " + id + ", grade: " + grade);
+    }
+
+
+
+}