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Lab.java

+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;
+    }
+}