Skip to main content

Java program for student mark list using class and object - java code examples with output

Program to print student mark list using class and object

In this section, You will learn how to calculate and print student total marks lists of n nuumber of student in java, with the help of InputStreamReader and BufferedReader class.

java program to calculate and display the total and the n student marks
Java program for student mark list using class and object

Let's try to create a simple example :

  ➤ Example : student.java;

  1. import java.io.*;

  2. class MList {

  3. static public StudentsInfo theStudents = new StudentsInfo();

  4. public static void ViewRecords() {

  5.   System.out.println("_______________________________________________________________");

  6.   System.out.println("SNo Student Name Sub1 Sub2 Sub3 Sub4 Sub5 Total");

  7.   System.out.println("_______________________________________________________________");

  8.  

  9.   for(int i = 0; i < theStudents.m_nMaxStudents; i++){

  10.   System.out.format("%1$-5d", i+1);

  11.  

  12.   System.out.format("%1$-19s", theStudents.m_studList[i].name);

  13.   System.out.format("%1$-7d", theStudents.m_studList[i].marks[0]);

  14.   System.out.format("%1$-7d", theStudents.m_studList[i].marks[1]);

  15.   System.out.format("%1$-7d", theStudents.m_studList[i].marks[2]);

  16.   System.out.format("%1$-7d", theStudents.m_studList[i].marks[3]);

  17.   System.out.format("%1$-7d", theStudents.m_studList[i].marks[4]);

  18.   System.out.format("%1$-7d", theStudents.m_studList[i].total);

  19.   System.out.println();

  20. }

  21.   System.out.println("_______________________________________________________________");

  22. }

  23. public static void InputRecords() {

  24. try{

  25.   InputStreamReader input = new InputStreamReader(System.in);

  26.   BufferedReader reader = new BufferedReader(input);

  27.  

  28.   System.out.print("Student Name : ");

  29.   String name;

  30.  

  31.   int[] marks = new int[5];

  32.   name = reader.readLine();

  33.  

  34. for(int i = 1; i <= 5; i++){

  35.   System.out.print("Sub "+i+" Mark : ");

  36.   marks[i-1] = Integer.parseInt(reader.readLine());

  37. }

  38.   theStudents.AddRecord(name, marks);

  39. }

  40. catch(Exception e){

  41.   e.printStackTrace();

  42. }

  43. }

  44. public static void main(String args[]) {

  45.   String stdNumber = "";

  46.   InputStreamReader input = new InputStreamReader(System.in);

  47.   BufferedReader reader = new BufferedReader(input);

  48.  

  49. try{

  50.   System.out.print("Enter the number of students: ");

  51.   stdNumber = reader.readLine();

  52.   int numStudents = Integer.parseInt(stdNumber);

  53.  

  54. for(int i = 1; i <= numStudents; i++){

  55.   System.out.println("\nEnter "+i+" Student Information \n");

  56.   InputRecords();

  57. }

  58.   ViewRecords();

  59. }

  60. catch(Exception e){

  61.   e.printStackTrace();

  62. }

  63. }

  64. }

  65. class Student {

  66.   public String name;

  67.   public int[] marks = new int[5];

  68.   public int total;

  69. }

  70. class StudentsInfo {

  71. public Student[] m_studList = new Student[100];

  72. public int m_nMaxStudents;

  73.  

  74. public int AddRecord(String name, int[] marks) {

  75.   Student stud = new Student();

  76.   stud.name = name;

  77.   stud.marks = marks;

  78.   stud.total = 0;

  79. for(int i = 0; i < 5; i++){

  80.   stud.total += stud.marks[i];

  81. }

  82.   m_studList[m_nMaxStudents++] = stud;

  83.   return 1;

  84. }

  85. }

 
import java.io.*;

class MList {
    static public StudentsInfo theStudents = new StudentsInfo();

    public static void ViewRecords() {
        System.out.println("_______________________________________________________________");
        System.out.println("SNo Student Name       Sub1   Sub2   Sub3   Sub4   Sub5   Total");
        System.out.println("_______________________________________________________________");

        for(int i = 0; i < theStudents.m_nMaxStudents; i++){
            System.out.format("%1$-5d", i+1);

            System.out.format("%1$-19s", theStudents.m_studList[i].name);
            System.out.format("%1$-7d", theStudents.m_studList[i].marks[0]);
            System.out.format("%1$-7d", theStudents.m_studList[i].marks[1]);
            System.out.format("%1$-7d", theStudents.m_studList[i].marks[2]);
            System.out.format("%1$-7d", theStudents.m_studList[i].marks[3]);
            System.out.format("%1$-7d", theStudents.m_studList[i].marks[4]);
            System.out.format("%1$-7d", theStudents.m_studList[i].total);
            System.out.println();
        }
        System.out.println("_______________________________________________________________");
    }   

    public static void InputRecords() {
        try{
            InputStreamReader input = new InputStreamReader(System.in);  
            BufferedReader reader = new BufferedReader(input);  

            System.out.print("Student Name : ");
            String name;

            int[] marks = new int[5];
            name = reader.readLine(); 

            for(int i = 1; i <= 5; i++){
                System.out.print("Sub "+i+" Mark : ");
                marks[i-1] = Integer.parseInt(reader.readLine()); 
            }
            theStudents.AddRecord(name, marks);
        }
        catch(Exception e){
            e.printStackTrace();
        }
    }

    public static void main(String args[]) {
        String stdNumber = "";
        InputStreamReader input = new InputStreamReader(System.in);  
        BufferedReader reader = new BufferedReader(input); 

        try{
            System.out.print("Enter the number of students: ");
            stdNumber = reader.readLine(); 
            int numStudents = Integer.parseInt(stdNumber); 

            for(int i = 1; i <= numStudents; i++){
                System.out.println("\nEnter "+i+" Student Information \n");
                InputRecords();
            }

            ViewRecords();

        }
        catch(Exception e){
            e.printStackTrace();

        }

    }

}

class Student {
  public String name;
  public int[] marks = new int[5];
  public int total;

}

class StudentsInfo {
    public Student[] m_studList = new Student[100];
    public int m_nMaxStudents;

    public int AddRecord(String name, int[] marks) {
        Student stud = new Student();
        stud.name = name; 
        stud.marks = marks; 
        stud.total = 0; 

        for(int i = 0; i < 5; i++){
            stud.total += stud.marks[i]; 
        }

        m_studList[m_nMaxStudents++] = stud; 
        return 1;
    }
}
Output :

  • Enter the number of students:2

  • Enter 1 Student Information

  • Student Name: Ankaj

  • Sub 1 Mark : 90

  • Sub 1 Mark : 80

  • Sub 1 Mark : 85

  • Sub 1 Mark : 82

  • Sub 1 Mark : 70

  •  

  • Enter 1 Student Information

  •  

  • Student Name: Anmol

  • Sub 1 Mark : 88

  • Sub 1 Mark : 75

  • Sub 1 Mark : 80

  • Sub 1 Mark : 92

  • Sub 1 Mark : 70

  • ---------------------------------------------------------------------

  • SNO Student Name Sub1 Sub2 Sub3 Sub4 Sub5 Total

  • ---------------------------------------------------------------------

  • 1 Ankaj 90 80 85 82 70 407

  • 2 Anmol 88 75 80 92 70 405

  • ---------------------------------------------------------------------

Recommended Posts:
Tags

Comments

Post a Comment

Popular Posts

Django static files not working when debug false || debug true

# Django static and media files not working when debug is false In this article you will learn how to fix problem of not loading static files and media in Django even the DEBUG is FALSE. This is the easiest and safest solution. # Problem: Django static and media files not working when debug is false  ➤ Code: settings.py DEBUG = False #True ALLOWED_HOSTS = [ '*' ] #Host name # Problem Fix: Let's see, How you can fix the problem of Django static and media files not working when DEBUB = False : 1.)First way: devserver in insecure mode If you still need to server static locally ( e.g. for testing without debug ) you can run devserver in insecure mode: python manage.py runserver --insecure --insecure: it means you can run serve...
12 comments
Read more

How to remove the date and .html from every blogger post url

#Remove date and .html from blogger post url A Common search term which every blogger search is How to Remove Date From Blogger Post URL or how do I remove date from blogger permalink? Follow the steps below and then date and .html will be removed from the URL of your blogger post. Step 1 : Login to your Blogger blog and select Theme / Template. Step 2 : Click on Edit HTML and paste the below code just above the </head> tag let's see code :   ➤ Code : mycode.js; Copy code <script type='text/javascript' > //<![CDATA[ // BloggerJS v0.3.1 var urlTotal,nextPageToken,postsDatePrefix=!1,accessOnly=!1,useApiV3=!1,apiKey="",blogId="",postsOrPages=["pages","posts"],jsonIndex=1,secondRequest=!0,feedPriority=0,amp="&"[0];function urlVal(){var e=window.location.pathname,t=e.length;return...
6 comments
Read more

How to remove ? m=1 or ?m=0 from blogger post URL

# Remove m=1 From URL of Blogger post A Common search term that every blogger search is How to ?m=1 or ?m=0 from blogger Post URL. We all know that "simplicity is beauty" and you want to clean permalink. So, in this article, I will guide you on how to remove ?m=1 from the blogger URL, and make a simple professional URL. Follow the few steps below and removed ?m=1 from the URL of your blogger post. Step 1 : First, you login into your blogger's dashboard and then select your blog. Step 2 : Click on the Theme option. Step 3 : Click on the customise Step 4 : Click on Edit HTML option. Step 5 : Press (CTRL + F) from the keyboard and type "/head" and then search. ( If you are not understanding, see the below photo ) Step 6 : Now paste the below code just above the </head> tag. let's see code :   ➤ Code : mycode.js; Copy code ...
6 comments
Read more