Question

Hai everyone! im doing java right now and need some help from you guys..
The question said:
should have a produced a program which input a numbers of marks from the users and output the grades for each marks..TQ

Answer 1

Ok so u have done anything yet? or u want to start me from very begining?

Answer 2

Ok i m gonna post the whole code O.O

Answer 3

import java.io.*;
import java.util.*;

public class test {

public test() throws IOException{
while(true){
System.out.println("Enter ur marks here:");
Scanner input = new Scanner(System.in);
int marks = input.nextInt();
//if conditions, It depends on what ur grading system is
if(marks<=100 && marks >80){

System.out.println("Ur Grade is A");
}

else if(marks<80 && marks >50){

System.out.println("Ur Grade is B");
}

else{
System.out.println("Ur Grade is C");

}
} }


public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub

new test();






}

}

Answer 4

this code is working, U can define ur own Grading system in the If conditions tho

Answer 5

actually the output must be same with the video that i share wif u..

Answer 6

n this my half code for this stage..

import java.util.Scanner;
public class Stage3
{
public static void main(String [] args)
{
Scanner sc;
int key_in_marks;
int marks;

sc = new Scanner(System.in);
System.out.print("Enter your numbers of marks? ");
key_in_marks = sc.nextInt ();
for (int x=1; x<=key_in_marks; x++)
{
System.out.print("Enter your marks? ");
marks = sc.nextInt();

if (marks >= 80 && marks <=100)
{
System.out.println("Grade A");
}

else if (marks >=65 && marks <=79)
{
System.out.println("Grade B");
}

else if (marks >= 50 && marks <=64)
{
System.out.println("Grade C");
}

else if (marks >= 40 && marks <=49)
{
System.out.println("Grade D");
}

else if (marks >= 0 && marks <=39)
{
System.out.println("Grade E");
}
else
{
System.out.println("INVALID NUMBERS!!");
}
}
}
}

Answer 7

so isnt ur code complete? What else is left to be done?

Answer 8

still not complete yet..i want to display back the marks n grade in one line per student..same like the photo that i attached..

Answer 9

List<String> where = new ArrayList<String>(); //declare a new ArrayList element

Answer 10

then inside ur for loop

Answer 11

where.add("Marks:"+sc.nextint()+" Grade: A ");

Answer 12

got it?

Answer 13

then print the arraylist in the end

Answer 14

i'll try it..:)

Answer 15

thank you..

Answer 16

no worries

Answer 17

i'm still not get it..:(

Answer 18

import java.util.*;
public class test
{
public static void main(String [] args)
{
Scanner sc;
int key_in_marks;
int marks;
List<String> where = new ArrayList<String>();
sc = new Scanner(System.in);
System.out.print("Enter your numbers of marks? ");
key_in_marks = sc.nextInt ();
for (int x=1; x<=key_in_marks; x++)
{
System.out.print("Enter your marks? ");
marks = sc.nextInt();

if (marks >= 80 && marks <=100)
{
where.add("Marks:"+marks+" Grade: A ");
}

else if (marks >=65 && marks <=79)
{
where.add("Marks:"+marks+" Grade: B ");
}

else if (marks >= 50 && marks <=64)
{
where.add("Marks:"+marks+" Grade: C ");
}

else if (marks >= 40 && marks <=49)
{
where.add("Marks:"+marks+" Grade: D ");
}

else if (marks >= 0 && marks <=39)
{
where.add("Marks:"+marks+" Grade: E ");
}
else
{
System.out.println("INVALID NUMBERS!!");
System.exit(0);
}

}
String[] simpleArray = new String[ where.size() ];
where.toArray( simpleArray );
int i;
for(i=0;i<where.size();i++){
System.out.println(simpleArray[i]);}
}
}

Answer 19

there you go , same as u wanted

Answer 20

thanks..that question is already answered n pass up to my lect..thank you very much for ur helping..:D

Answer 21

i try run ur coding and the output same wif what i want..:)

Answer 22

glad to help