# using class and methods

Sir,Plz help me to write this below pgm. here is the question:

Assume a table for annual examination results for 10 students. write a program to read the data and determine the following:

a) Total marks obtained by each students
b) The highest marks in each subject and roll no of the students who have secured it.
c) The student who obtained the highest total marks.Use appropriate classes and methods

June 12, 2010 at 4:30 PM

Hi Friend,

Try the following code:

import java.util.*;

public class Student{
int rollNo;
double sub1;
double sub2;
double sub3;
double sub4;
double sub5;
double totalMarks;
public Student(int rollNo,double sub1,double sub2,double sub3,double sub4,double sub5,double totalMarks){
this.rollNo=rollNo;
this.sub1=sub1;
this.sub2=sub2;
this.sub3=sub3;
this.sub4=sub4;
this.sub5=sub5;
this.totalMarks=totalMarks;
}
public int getRollNo(){
return rollNo;
}
public double getSub1(){
return sub1;
}

public double getSub2(){
return sub2;
}

public double getSub3(){
return sub3;
}

public double getSub4(){
return sub4;
}

public double getSub5(){
return sub5;
}

public double getTotalMarks(){
}

public static void main(String[]args){
Scanner input=new Scanner(System.in);
double max1=0,max2=0,max3=0,max4=0,max5=0,max=0;
int no=0;
double s1=0,s2=0,s3=0,s4=0,s5=0,tm=0;
ArrayList<Student> list = new ArrayList<Student>();
for (int i=1; i<=2; i++) {
System.out.print("Enter Roll No: ");
no=input.nextInt();
System.out.print("Enter marks of Maths: ");
s1=input.nextDouble();
System.out.print("Enter marks of Science: ");
s2=input.nextDouble();
System.out.print("Enter marks of Hindi: ");
s3=input.nextDouble();
System.out.print("Enter marks of English: ");
s4=input.nextDouble();
System.out.print("Enter marks of Social Studies: ");
s5=input.nextDouble();
tm=s1+s2+s3+s4+s5;
System.out.println();

if (s1 > max1) {
max1 = s1;
}
if (s2 > max2) {
max2 = s2;
}
if (s3 > max3) {
max3 = s3;
}
if (s4 > max4) {
max4 = s4;
}
if (s5 > max5) {
max5 = s5;
}
if (tm > max) {
max = tm;
}
}

June 12, 2010 at 4:31 PM

continue..

System.out.println("*********Roll No and Total Marks*********");
System.out.println("Roll No Total Marks");
for (Student s : list){
System.out.println(s.getSub1()+" "+s.getSub2());
}
System.out.println();
System.out.println("*********Highest marks in each subject with RollNO*********");
for (Student s : list){
if(s.getSub1()==max1){
System.out.println("Roll No " +s.getRollNo()+" get highest marks in Subject 1 i.e "+max1);
}
}
for (Student s : list){
if(s.getSub2()==max2){
System.out.println("Roll No " +s.getRollNo()+" get highest marks in Subject 2 i.e "+max2);
}
}
System.out.println();
for (Student s : list){
if(s.getSub3()==max3){
System.out.println("Roll No " +s.getRollNo()+" get highest marks in Subject 3 i.e "+max3);
}
}

for (Student s : list){
if(s.getSub4()==max4){
System.out.println("Roll No " +s.getRollNo()+" get highest marks in Subject 4 i.e "+max4);
}
}
for (Student s : list){
if(s.getSub5()==max5){
System.out.println("Roll No " +s.getRollNo()+" get highest marks in Subject 5 i.e "+max5);
}
}
System.out.println();
System.out.println("*********Student Obtained Highest Marks*********");
for (Student s : list){
if(s.getTotalMarks()==max){
System.out.println("Roll No " +s.getRollNo()+" get highest marks");
}
}

}
}

Thanks

June 12, 2010 at 4:34 PM

Hi Friend,

We have created a loop for only 2 students, you can place 10 in place of 2 so that program will display the results of 10 students.

Thanks

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