Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

Number of replies: 31
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Fahim Sultan(201-15-3416) -
package javaapplication1;

import java.util.Scanner;

public class marks {

public static void main(String[] args) {

int roll, s1, s2, s3;
Scanner input = new Scanner(System.in);
for(int i=0; i<=8; i++){

for(int j=i; j<=8; j++){
System.out.print("Enter Roll number :");
roll = input.nextInt();

System.out.print("Enter First subject number :");
s1 = input.nextInt();

System.out.print("Enter second subject number :");
s2 = input.nextInt();

System.out.print("Enter third subject number :");
s3 = input.nextInt();

int avg = (s1 +s2 + s3)/3 ;
System.out.println("Student of Roll No " +roll + " get Avarage mark of "+avg);
}
}
}

}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Md. Alif Sheakh - 

import java.util.Scanner;

public class pp4 {
    public static void main(String[] args) {
        String roll;
        float s1,s2,s3;
        Scanner sc = new Scanner(System.in);

        for(int i=1; i<=8; i++){
                System.out.print("\nEnter Your Roll Number: ");
                roll = sc.next();

                System.out.print("Enter Your First Subject Mark: ");
                s1 = sc.nextFloat();
                System.out.print("Enter Your Second Subject Mark: ");
                s2 = sc.nextFloat();
                System.out.print("Enter Your Third Subject Mark: ");
                s3 = sc.nextFloat();

                float avg = (s1 + s2 + s3) / 3;

                if(s1<=100 && s2<=100 && s3<=100){
                    System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);
                }
                else{
                    System.out.println("\nPlease Enter Your Marks Between 0 to 100");
                }
            }
    }
}

In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Reajul Islam Nizhum - 

import java.util.Scanner;
public class Student_details
{
    public static void main(String[] args) {
        String roll;
        float m,n,o;
        Scanner sc = new Scanner(System.in);

        for(int i=1; i<=8; i++)
        {
            System.out.print("\nEnter Your Roll Number: ");
            roll = sc.next();

            System.out.print("Enter Your First Subject Mark: ");
            m = sc.nextFloat();

            System.out.print("Enter Your Second Subject Mark: ");
            n = sc.nextFloat();
            
            System.out.print("Enter Your Third Subject Mark: ");
            o = sc.nextFloat();

            float avg = (m + n + o) / 3;

            if(m<=100 && n<=100 && o<=100)
                {
                    System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);
                }
            else
                {
                    System.out.println("\nPlease Enter Your Marks Between 0 to 100");
                }
        }
    }
}

In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Pritom Basak (201-15-3342) -
package executionsteps;


import java.util.Scanner;

public class Avarage {
public static void main(String[] args) {
String roll;
float st1,st2,st3,avarage;
Scanner input = new Scanner(System.in);

for(int i=0; i<=7; i++){
System.out.print("Enter Your Roll Number: ");
roll = input.next();

System.out.print("Enter Your First Subject Mark: ");
st1 = input.nextFloat();
System.out.print("Enter Your Second Subject Mark: ");
st2 = input.nextFloat();
System.out.print("Enter Your Third Subject Mark: ");
st3 = input.nextFloat();

avarage = (st1 + st2 + st3) / 3;

if(st1<=100 && st2<=100 && st3<=100){
System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avarage);
}
else{
System.out.println("\nPlease Enter Your Marks Between 0 to 100");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by MD.Abdulla-Hil-Kafi (201-15-3109) -
package Main;

import java.util.Scanner;

public class Main {
public static void main(String[] args) {
int roll, a, sub1, sub2, sub3;
Scanner z = new Scanner(System.in);

for (a = 1; a <= 8; a++) {
System.out.println("Enter roll:");
roll = z.nextInt();
System.out.println("Enter Subject 1 Marks: ");
sub1 = z.nextInt();
System.out.println("Enter Subject 2 Marks: ");
sub2 = z.nextInt();
System.out.println("Enter Subject 3 Marks: ");
sub3 = z.nextInt();
double avr = ((sub1 + sub2 + sub3) / 3);
System.out.printf("Roll: %d\t\t",roll);
System.out.printf("Avarage = %.2f\n", avr);

}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Mst.Fatematuz Zohura(201-15-3195) -
import java.util.Scanner;
public class average {

public static void main(String[] args) {

String roll;

double s1,s2,s3;


Scanner enter = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print(" Roll Number: ");
roll = enter.next();

System.out.print("First Subject Mark: ");
s1 = enter.nextFloat();
System.out.print("Second Subject Mark: ");
s2 = enter.nextFloat();
System.out.print("Third Subject Mark: ");
s3 = enter.nextFloat();


double avg = s1+s2+s3/3;
if(s1<=100 && s2<=100 && s3<=100){


System.out.println("Roll: "+roll);
System.out.println("avg: "+avg);

}
else{
System.out.println("Please Enter Your Marks Between 0 to 100");
}
}
}

}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Md. Jahidul Islam (201-15-3368) -
import java.util.Scanner;
public class pp4 {
public static void main(String[] args) {
String roll;
float s1,s2,s3;
Scanner sc = new Scanner(System.in);
for(int i=1; i<=8; i++){
System.out.print("\nEnter Your Roll Number: ");
roll = sc.next;
System.out.print("Enter Your First Subject Mark: ");
s1 = sc.nextFloat();
System.out.print("Enter Your Second Subject Mark: ");
s2 = sc.nextFloat();
System.out.print("Enter Your Third Subject Mark: ");
s3 = sc.nextFloat();
float avg = (s1 + s2 + s3) / 3;
if(s1<=100 && s2<=100 && s3<=100){
System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);
}
else{
System.out.println("\nPlease Enter Your Marks Between 0 to 100");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Shakil Hossen Shawon (201-15-3562) -
package executionsteps;


import java.util.Scanner;

public class Avarage {
public static void main(String[] args) {
String roll;
float st1,st2,st3,avarage;
Scanner input = new Scanner(System.in);

for(int i=0; i<=7; i++){
System.out.print("Enter Your Roll Number: ");
roll = input.next();

System.out.print("Enter Your First Subject Mark: ");
st1 = input.nextFloat();
System.out.print("Enter Your Second Subject Mark: ");
st2 = input.nextFloat();
System.out.print("Enter Your Third Subject Mark: ");
st3 = input.nextFloat();

avarage = (st1 + st2 + st3) / 3;

if(st1<=100 && st2<=100 && st3<=100){
System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avarage);
}
else{
System.out.println("\nPlease Enter Your Marks Between 0 to 100");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by MD. ASLAMUZZAMAN BAPPY (201-15-3228) -
import java.util.Scanner;

public class oop_4 {
public static void main(String[] args) {
String roll;
float s1,s2,s3;
Scanner sc = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print("Enter Your Roll Number: \n ");
roll = sc.next();

System.out.print("Enter Your First Subject Mark: ");
s1 = sc.nextFloat();
System.out.print("Enter Your Second Subject Mark: ");
s2 = sc.nextFloat();
System.out.print("Enter Your Third Subject Mark: ");
s3 = sc.nextFloat();

float avg = (s1 + s2 + s3) / 3;

if(s1<=100 && s2<=100 && s3<=100){
System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);
}
else{
System.out.println("\nPlease Enter Your Marks Between 0 to 100");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Sadia Sultana Chowa ( 201-15-3052 ) -
package student;
import java.util.Scanner;
public class Studentinfo {

public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner obj = new Scanner(System.in);
Scanner obj1 = new Scanner(System.in);
Scanner obj2 = new Scanner(System.in);
Scanner obj3 = new Scanner(System.in);
int n1, n2, n3;
String id;
for(int i=1; i<=8; i++)
{
System.out.println("\n");
System.out.print(i +". Enter the ID : ");
id = obj.nextLine();

System.out.print(" Enter the number : ");
n1 = obj1.nextInt();

System.out.print(" Enter the number : ");
n2 = obj2.nextInt();
System.out.print(" Enter the number : ");
n3 = obj3.nextInt();

float averege = (n1+ n2+ n3)/3;
System.out.println("\t\t Average number of ID "+ id +" is : " + averege);
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Rahad Islam (201-15-3623) -
package student;
import java.util.Scanner;
public class Studentinfo {

public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner obj = new Scanner(System.in);
Scanner obj1 = new Scanner(System.in);
Scanner obj2 = new Scanner(System.in);
Scanner obj3 = new Scanner(System.in);
int n1, n2, n3;
String id;
for(int i=1; i<=8; i++)
{
System.out.println("\n");
System.out.print(i +". Enter the ID : ");
id = obj.nextLine();

System.out.print(" Enter the number : ");
n1 = obj1.nextInt();

System.out.print(" Enter the number : ");
n2 = obj2.nextInt();
System.out.print(" Enter the number : ");
n3 = obj3.nextInt();

float averege = (n1+ n2+ n3)/3;
System.out.println("\t\t Average number of ID "+ id +" is : " + averege);
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by B.M.Samiul Haque Real (201-15-3057) -
import java.util.Scanner;
public class print {
public static void main(String[] args) {



int r;
double a,b,c;
Scanner sc = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print("\nEnter Your Roll Number: ");
r = sc.nextInt();

System.out.print("Enter Your First Subject Mark: ");
a = sc.nextFloat();
System.out.print("Enter Your Second Subject Mark: ");
b = sc.nextFloat();
System.out.print("Enter Your Third Subject Mark: ");
c = sc.nextFloat();

double s = (a + b + c) / 3;

if(a<=100 && b<=100 && c<=100){
System.out.printf("\nAverage mark of roll number %s is %.2f\n", r, s);
}
else{
System.out.println("\nEnter your marks between 0 to 100");
}
}


}}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Abdullah Fahim(201-15-3201) -
import java.util.Scanner;
public class Practice {

public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int roll;
double ban, eng, math, ave;
for(int i=0; i<8; i++)
{
System.out.print("Roll number: ");
roll = input.nextInt();
System.out.print("Bangla: ");
ban = input.nextDouble();
System.out.print("English: ");
eng = input.nextDouble();
System.out.print("Math: ");
math = input.nextDouble();

ave = ((ban + eng + math) / 3);

System.out.printf("Average is: %.2f\n",ave);
}


}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Shazzad Shawon (201-15-3404) -
import java.util.Scanner;
public class average {

public static void main(String[] args) {

String roll;

double s1,s2,s3;


Scanner enter = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print(" Roll Number: ");
roll = enter.next();

System.out.print("First Subject Mark: ");
s1 = enter.nextFloat();
System.out.print("Second Subject Mark: ");
s2 = enter.nextFloat();
System.out.print("Third Subject Mark: ");
s3 = enter.nextFloat();


double avg = s1+s2+s3/3;
if(s1<=100 && s2<=100 && s3<=100){


System.out.println("Roll: "+roll);
System.out.println("avg: "+avg);

}
else{
System.out.println("Please Enter Your Marks Between 0 to 100");
}
}
}

}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Sadia Islam Tonni(201-15-3290) -
package beginnerjava;

import java.util.Scanner;

public class AvarageNumber {

public static void main(String[] args) {
Scanner input = new Scanner(System.in);

String roll;

double sub1,sub2,sub3;




for(int i=1; i<=8; i++){
System.out.print(" Roll Number: ");
roll = input.next();

System.out.print("Enter First Subject Mark: ");
sub1 = input.nextDouble();
System.out.print("Enter Second Subject Mark: ");
sub2 = input.nextDouble();
System.out.print("Enter Third Subject Mark: ");
sub3 = input.nextDouble();


double avg = sub1+sub2+sub3/3;
if(sub1<=100 && sub2<=100 && sub3<=100){


System.out.println("Roll: "+roll);
System.out.println("avg: "+avg);

}
else{
System.out.println("please enter your marks between 0 to 100");
}
}
}

}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Tasnim Bill Zannah (201-15-3033) -
package javaapplication;

import java.util.Scanner;

public class AvarageMarks {

public static void main(String[] args) {
String roll;
float Subject1,Subject2,Subject3;
Scanner b = new Scanner(System.in);

for(int t=1; t<=8; t++){
System.out.print("\nEnter Your Roll Number: ");
roll = b.next();

System.out.print("Enter The Marks Of First Subject: ");
Subject1 = b.nextFloat();
System.out.print("Enter The Marks Of Second Subject: ");
Subject2 = b.nextFloat();
System.out.print("Enter The Marks Of Third Subject: ");
Subject3 = b.nextFloat();

float avg = (Subject1 + Subject2 + Subject3) / 3;

if(Subject1<=100 && Subject2<=100 && Subject3<=100){
System.out.printf("\n The Average Mark of Roll Number %s is %.1f \n", roll, avg);
}
else{
System.out.println("\n Please Enter Your Marks Between 0 to 100 \n");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Shahnewaj Bin Hafiz (201-15-3049) -
import java.util.Scanner;
public class average {

public static void main(String[] args) {

String roll;

double s1,s2,s3;


Scanner enter = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print(" Roll Number: ");
roll = enter.next();

System.out.print("First Subject Mark: ");
s1 = enter.nextFloat();
System.out.print("Second Subject Mark: ");
s2 = enter.nextFloat();
System.out.print("Third Subject Mark: ");
s3 = enter.nextFloat();


double avg = s1+s2+s3/3;
if(s1<=100 && s2<=100 && s3<=100){


System.out.println("Roll: "+roll);
System.out.println("avg: "+avg);

}
else{
System.out.println("Please Enter Your Marks Between 0 to 100");
}
}
}

}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Md. Nazmus Sakib (201-15-3419) -
import java.util.Scanner;

public class roll_avarage
{
public static void main(String[] args)
{
String roll;
int a;
float sub1,sub2,sub3, avarage;
Scanner input = new Scanner(System.in);

for(a=0; a<=6; a++)
{
System.out.print("Input Roll Number: ");
roll = input.next();

System.out.print("Input First Subject Mark: ");
sub1 = input.nextFloat();
System.out.print("Input Second Subject Mark: ");
sub2 = input.nextFloat();
System.out.print("Input Third Subject Mark: ");
sub3 = input.nextFloat();

avarage = (sub1 + sub2 + sub3) / 3;

if(sub1<=100 && sub2<=100 && sub3<=100)
{
System.out.printf("\nAverage Mark of Roll Number %s is %.2f.\n", roll, avarage);
}

else
{
System.out.print("\nMark is Invalid.");
}

}

}

}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Utsha Roy (201-15-3094) -
import java.util.Scanner;

public class pp5

{
public static void main(String[] args)

{
String Roll;

float CC1,CC2,CC3;

Scanner pq = new Scanner(System.in);

for(int f=1; f<=8; f++)

{
System.out.print("\nType your roll number = ");
Roll = pq.next();

System.out.print("Input Your 1st subject mark = ");
CC1 = pq.nextFloat();

System.out.print("Input Your 2nd subject mark = ");
CC2 = pq.nextFloat();

System.out.print("Input Your 3rd subject mark = ");
CC3 = pq.nextFloat();

float Average = (CC1 + CC2 + CC3) / 3;

if(CC1<=100 && CC2 <= 100 && CC3<=100)

{
System.out.printf("\nRoll Number is = %s and Average mark is = %.1f\n", Roll, Average);
}
else

{
System.out.println("\nInput Your Subject Marks Between 0 to 100");
}

}

}

}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Mahir Hasan Sifat (201-15-3120) -
import java.io.*;
import java.util.*;

public class demo {

public static void main(String[] args) {

String val;
float a,b,c;
Scanner sc = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print("Enter Your Roll Number: ");
val = sc.next();

System.out.print("Enter Your First Subject Mark: ");
a = sc.nextFloat();
System.out.print("Enter Your Second Subject Mark: ");
b = sc.nextFloat();
System.out.print("Enter Your Third Subject Mark: ");
c = sc.nextFloat();

float kaboom = (a + b + c) / 3;

if(a<=100 && b<=100 && c<=100){
System.out.println("Average Mark of Roll Number "+val+" is "+kaboom);
}
else{
System.out.println("\nPlease Enter Your Marks Between 0 to 100");
--i;
}
}

}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Zaky Hossain (201-15-3610) -
import java.util.Scanner;

public class pp4 {
public static void main(String[] args) {
String roll;
float s1,s2,s3;
Scanner sc = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print("\nEnter Your Roll Number: ");
roll = sc.next();

System.out.print("Enter Your First Subject Mark: ");
s1 = sc.nextFloat();
System.out.print("Enter Your Second Subject Mark: ");
s2 = sc.nextFloat();
System.out.print("Enter Your Third Subject Mark: ");
s3 = sc.nextFloat();

float avg = (s1 + s2 + s3) / 3;

if(s1<=100 && s2<=100 && s3<=100){
System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);
}
else{
System.out.println("\nPlease Enter Your Marks Between 0 to 100");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Tanjil Alom (201-15-3079) -
import java.util.Scanner;
public class mark {
public static void main(String[] args) {

int num;
double a,b,c;
Scanner sc = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print("\nEnter Your Roll Number: ");
num = sc.nextInt();

System.out.print("Enter First Subject Mark: ");
a = sc.nextFloat();
System.out.print("Enter Second Subject Mark: ");
b = sc.nextFloat();
System.out.print("Enter Third Subject Mark: ");
c = sc.nextFloat();

double s = (a + b + c) / 3;

if(a<=100 && b<=100 && c<=100){
System.out.printf("\nAverage mark of roll number %s is %.2f\n", num, s);
}
else{
System.out.println("\nEnter your marks between 0 to 100");
}
}}}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Ieshita Nasrin Bithi (201-15-3216) -
import java.util.Scanner;

public class marks
{
public static void main(String[] args)
{
String roll;
float s1,s2,s3;
Scanner sc = new Scanner(System.in);

for(int i=1; i<=8; i++)
{
System.out.print("\nEnter Roll Number: ");
roll = sc.next();

System.out.print("Enter 1st Subject Mark: ");
s1 = sc.nextFloat();
System.out.print("Enter 2nd Subject Mark: ");
s2 = sc.nextFloat();
System.out.print("Enter 3rd Subject Mark: ");
s3 = sc.nextFloat();

float avg = (s1 + s2 + s3) / 3;

if(s1<=100 && s2<=100 && s3<=100)
{
System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);
}
else
{
System.out.println("\nPlease Enter Marks Between 0 to 100");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Risul Islam Jim (201-15-3675) -
import java.util.Scanner;

public class ClassEvalutaion {

public static void main(String[] args) {
int roll, s1, s2, s3;
Scanner input = new Scanner(System.in);
{
for(int i=1; i<=8; i++){

for(int j=i; j<=8; j++){

System.out.print("Enter Roll number of student \""+i+"\":");
roll = input.nextInt();

System.out.print("\n\tEnter First subject number :");
s1 = input.nextInt();

System.out.print("\tEnter second subject number :");
s2 = input.nextInt();

System.out.print("\tEnter third subject number :");
s3 = input.nextInt();

int avg = (s1 +s2 + s3)/3 ;
System.out.println("\n\t\t The average mark of Roll No " +roll + " is "+avg );
}
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Mst. Sazia Tahosin (201-15-3666) -

package student;
import java.util.Scanner;
public class Studentinfo {

public static void main(String[] args) {
Scanner obj = new Scanner(System.in);
Scanner obj1 = new Scanner(System.in);
Scanner obj2 = new Scanner(System.in);
Scanner obj3 = new Scanner(System.in);
int n1, n2, n3;
String id;
for(int i=1; i<=8; i++)
{
System.out.println("\n");
System.out.print(i +". Enter the ID : ");
id = obj.nextLine();

System.out.print(" Enter the number : ");
n1 = obj1.nextInt();

System.out.print(" Enter the number : ");
n2 = obj2.nextInt();
System.out.print(" Enter the number : ");
n3 = obj3.nextInt();

float averege = (n1+ n2+ n3)/3;
System.out.println("\t\t Average number of ID "+ id +" is : " + averege);
}
}
}


In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Dipa Mondal Tumpa (201-15-3214) -
import java.util.Scanner;
public class StdSubroll {

public static void main(String[] args) {
int roll, std1, std2, std3;
Scanner input = new Scanner(System.in);
{
for(int d=1; d<=8; d++){

for(int j=d; j<=8; j++){

System.out.print("Enter Roll number of student \""+d+"\":");
roll = input.nextInt();

System.out.print("\n\tEnter First subject number :");
std1 = input.nextInt();

System.out.print("\tEnter second subject number :");
std2 = input.nextInt();

System.out.print("\tEnter third subject number :");
std3 = input.nextInt();

int avg = (std1 +std2 + std3)/3 ;
System.out.println("\nThe average mark of Roll No: " +roll + " is "+avg );
}
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Fahim Shahriar (201-15-3629) -
import java.util.Scanner;
public class Student_details
{
public static void main(String[] args) {
String roll;
float a,b,c;
Scanner sc = new Scanner(System.in);

for(int i=1; i<=8; i++)
{
System.out.print("\nEnter Your Roll Number: ");
roll = sc.next();

System.out.print("Enter Your First Subject Mark: ");
a = sc.nextFloat();

System.out.print("Enter Your Second Subject Mark: ");
b = sc.nextFloat();

System.out.print("Enter Your Third Subject Mark: ");
c = sc.nextFloat();

float avg = (a + b + c) / 3;

if(a<=100 && b<=100 && c<=100)
{
System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);
}
else
{
System.out.println("\nPlease Enter Your Marks Between 0 to 100");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Shakil Hossen Shawon (201-15-3562) -
import java.util.Scanner;

public class pp4 {
public static void main(String[] args) {
String roll;
float s1,s2,s3;
Scanner sc = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print("\nEnter Your Roll Number: ");
roll = sc.next();

System.out.print("Enter Your First Subject Mark: ");
s1 = sc.nextFloat();
System.out.print("Enter Your Second Subject Mark: ");
s2 = sc.nextFloat();
System.out.print("Enter Your Third Subject Mark: ");
s3 = sc.nextFloat();

float avg = (s1 + s2 + s3) / 3;

if(s1<=100 && s2<=100 && s3<=100){
System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);
}
else{
System.out.println("\nPlease Enter Your Marks Between 0 to 100");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Tahmid chowdhury ID-(201-15-3064) -
import java.util.Scanner;
public class Practice {

public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int roll;
double ban, eng, math, ave;
for(int i=0; i<8; i++)
{
System.out.print("Roll number: ");
roll = input.nextInt();
System.out.print("Bangla: ");
ban = input.nextDouble();
System.out.print("English: ");
eng = input.nextDouble();
System.out.print("Math: ");
math = input.nextDouble();

ave = ((ban + eng + math) / 3);

System.out.printf("Average is: %.2f\n",ave);
}


}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by SOHANUR RAHMAN SOHAG_201-15-3161 -
package oopbasic;

import java.util.Scanner;

public class Avrg {
public static void main(String[] args) {
String roll;
float sub1,sub2,sub3,avrg;
Scanner input = new Scanner(System.in);

for(int i=1; i<=8; i++){
System.out.print("Write Your Roll Number: ");
roll = input.next();

System.out.print("Write Your First Subject Mark: ");
sub1 = input.nextFloat();
System.out.print("Write Your Second Subject Mark: ");
sub2 = input.nextFloat();
System.out.print("Write Your Third Subject Mark: ");
sub3 = input.nextFloat();

avrg = (sub1 + sub2 + sub3) / 3;

if(sub1<=100 && sub2<=100 && sub3<=100){
System.out.printf("\nAvrg Mark of Roll Number %s is %.1f\n", roll, avrg);
}
else{
System.out.println("\nPlease Write Your Marks Between 0 to 100");
}
}
}
}
In reply to First post

Re: Write a program to print the roll number and average marks of 8 students in three subjects (each out of 100). The marks are entered by user.

by Sydul Islam Bhuiyan Ridoy (201-15-3061) - 
import java.util.Scanner;

public class pp4 {
    public static void main(String[] args) {
        String roll;
        float s1,s2,s3;
        Scanner sc = new Scanner(System.in);

        for(int i=1; i<=8; i++){
                System.out.print("\nEnter Your Roll Number: ");
                roll = sc.next();

                System.out.print("Enter Your First Subject Mark: ");
                s1 = sc.nextFloat();
                System.out.print("Enter Your Second Subject Mark: ");
                s2 = sc.nextFloat();
                System.out.print("Enter Your Third Subject Mark: ");
                s3 = sc.nextFloat();

                float avg = (s1 + s2 + s3) / 3;

                if(s1<=100 && s2<=100 && s3<=100){
                    System.out.printf("\nAverage Mark of Roll Number %s is %.1f\n", roll, avg);
                }
                else{
                    System.out.println("\nPlease Enter Your Marks Between 0 to 100");
                }
            }
    }
}