System.out.println("how many student you have in your class?");
		int num_student = Integer.parseInt(br.readLine());
		System.out
				.println("what is your name class? for business administractor press (1) for cumputers press (2)");
		String clasName = br.readLine();
		if (clasName.equals("1")) {
			System.out.println("you study business administration");
			String details = new String;
            int  avg = new int ;
			for (int i = 0; i < num_student; i++) {
				System.out.println("what is the Fname and Lname OF STUDNT?");
				details = br.readLine();
				
				
			}
			for (int i=0; i<2; i++){
				System.out.println("what is your avg?");
				avg=Integer.parseInt(br.readLine());
				
			}
			int total =0;
			for(int i = 0; i<num_student; i++){
				total = total+avg;
			}
			double avg1 = total/num_student;
		}
		System.out.println(num_student);
	}
}