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Create a class called Student with number, name and marks of 3 subjects

Submitted by Rahimv on Mon, 08/23/2010 - 18:26

/*
 * Create a class called Student with number, name and marks of 3 subjects. Get number of students
 * to enter followed by details of each student and then display the student with highest percentage.
 */
 
import java.io.*;
class Student
{
 int sno;
 String sname;
 int m[] = new int[3];
 int total;
 float percentage;
 
 void getdata()
 {
  DataInputStream in = new DataInputStream(System.in);
  
  try
  {
   System.out.print("Enter Student No. ");
   sno = Integer.parseInt(in.readLine());
   
   System.out.print("Enter Student Name. ");
   sname = in.readLine();
   
   System.out.print("Marks of Subject # 1: ");
   m[0] = Integer.parseInt(in.readLine());
   
   System.out.print("Marks of Subject # 2: ");
   m[1] = Integer.parseInt(in.readLine());
   
   System.out.print("Marks of Subject # 3: ");
   m[2] = Integer.parseInt(in.readLine());
   
  }
  catch(Exception e)
  {
   System.out.println("IO Exception  " + e);
   System.exit(1);
  }
  
 }
 
 int getTotal()
 {
  return(m[0] + m[1] + m[2]);
 }
 
 float getPercentage()
 {
  return(getTotal()/3.0f);
 }
 
 void printStudent()
 {
  System.out.println("Student No. : "+ sno);
  System.out.println("Student Name. : "+ sname);
  System.out.println("Subject # 1 : "+ m[0]);
  System.out.println("Subject # 2 : "+ m[1]);
  System.out.println("Subject # 3 : "+ m[2]);
 }
 
}
 
class Students
{
 public static void main(String args[])
 {
  int i, n = 0;
 
  DataInputStream in = new DataInputStream(System.in);
  
  try
  {
   System.out.print("How Many Students? ");
   n = Integer.parseInt(in.readLine());
  }
  catch(Exception e)
  { 
   System.out.println("Exception " + e);
   System.exit(1);
  }
  
  Student s[] = new Student[n];
  for(i=0; i<n; i++)
  {
   s[i] = new Student();
   s[i].getdata();
  }
 
  float maxPercentage = s[0].getPercentage();
  int max = 0; 
  for(i=1; i<n; i++)
  {
   if(maxPercentage < s[i].getPercentage())
   {
    maxPercentage = s[i].getPercentage();
    max = i;
   }
  }
  
  System.out.println("Student with highest Percentage");  
  
  s[max].printStudent();  
  System.out.println("Total Marks: " + s[max].getTotal());
  System.out.println("Percentage: " + s[max].getPercentage());
 }
}
 
 