public class Lab{ private Student[] students; private int avg; private String day; private int capacity; private int currentSize; public Lab(int cap,String d){ capacity=cap; day=d; currentSize=0; } public void calculateavg(){ int x; int sum=0; for(int i=0 ; i<3 ; i++){ x=students[i].getGrade(); sum=sum+x; } avg=sum/3; } public void enrollStudent(Student std) { if (currentSize < capacity) { students[currentSize] = std; currentSize++; } else { System.out.println("Lab is full!!!"); } } public void print() { System.out.println("avg="+avg+"tedad"+currentSize); } public Student[] getStudents() { return students; } public void setStudents(Student[] students) { this. students=students; } public int getAvg() { return avg; } 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; } }