Answer to Question #268726 in Java | JSP | JSF for Mohammad

Question

Write java application with the following information:

- Class Name ; Student

- Method1: AddStudent

- Method2: Print Students

- Method 3: totalStudent

- Method 4: Delete Student

Answer 1

public class Main
{
	public static void main(String[] args) {
		Student  s=new Student();
		s.addStudent(0,123,"abc");
		s.addStudent(0,124,"efg");
		s.addStudent(0,125,"hij");
		s.printStudents();
		s.totalStudents();
		s.deleteStudent();
		s.printStudents();
		s.totalStudents();
	}
}


class Student{
    private int [] student_id=new int[100];
    private String [] student_name=new String [100];
    int count=0;
    public void addStudent(int i,int id,String name){
       student_id[i]=id;
       student_name[i]=name;
       count++;
    }
    public void printStudents(){
        for(int i=0;i<count;i++){
            System.out.println("ID\tName");
            System.out.println(student_id[i]+"\t"+student_name[i]);
        }
    }
    public void totalStudents(){
        System.out.println("Total number of students is "+count);
    }
    public void deleteStudent(){
        count--;
    }
}