package studentaffairs;

class Student {
    private static String lastEnteredStudentInfo = "";
    private String firstName,lastName;
    private int studentNo,academicYear;
    private double credit;
    
    Student(int studentNo,String firstName,String lastName,double credit)
    {
        this.studentNo = studentNo;
        this.firstName = firstName;
        this.lastName = lastName;
        this.credit = credit;
        this.academicYear = getAcademicYear((int)this.credit);
        this.generateStudentInfo();
    }
    
    Student(int studentNo,String firstName,String lastName,int credit)
    {
        this(studentNo,firstName,lastName,(double)credit);
    }
    
    private void generateStudentInfo()
    {
        lastEnteredStudentInfo = "Student No: " + this.studentNo + ", "+
                "Student Full Name: " + this.firstName + " " + this.lastName + ", "+
                "Student Academic Year: " + this.academicYear + ", Student Credit: " + this.credit;
    }
    
    static void printStudentInfo()
    {
        System.out.println(lastEnteredStudentInfo);
    }
    
    private int getAcademicYear(int credit)
    {
        if(credit >= 0 && credit<=24)
            return 1;
        else if(credit >=25 && credit <=49)
            return 2;
        else if(credit >= 50 && credit <= 74)
            return 3;
        else if(credit >= 75 && credit <= 100)
            return 4;
        else
            return -1;
    }
}
package studentaffairs;

import java.util.logging.Level;
import java.util.logging.Logger;

class StudentAffairs {

    public static void main(String[] args) {
            Student haider = new Student(212123456,"Haider","Smoudi",50);
            Student nigga = new Student(222123456,"Nigga","Negro",24.9);
            Student.printStudentInfo();
       
    }
    
}