Plzzz help me to find out my error!!!! I check out my code many time but i didnt get d error so plzzz help me

Question

here is the code

https://code.sololearn.com/ca3cePWKSnc6/?ref=app
Gaurav Agrawal
Arun Tomar
Fata1 Err0r

Answer 1

//give 4 user inputs ... acc_no,unknown,title,author
//errors were of bracket , syntax + some logical error too
//👉go through the java lesson again with examples , will be helpful

import java.util.Scanner;
public class GauravProgram{
public static void main(String ...args){
Scanner sc=new Scanner(System.in);
int acc_no=sc.nextInt(),d=sc.nextInt(); //accn no, unknown
//here days (...9) are not used , might some logical error.
String title=sc.next(),author=sc.next(); //title,author
System.out.print("fine = "+(d*2)+"\naccn_no\t"+acc_no+"\ntitle\t"+title+"\nauthor\t"+author);}
}

Answer 2

i dont thing so..
this app is working fine.
before executive the code.
thia app required
input..
..
if we by mistakes done something worng while enter the input..
it show us NumberFormatExCeption..

Answer 3

i say used try catch
in side the function..
then it will not give error

Answer 4

Harsh Agrawal
sure

Answer 5

I will help you

Answer 6

There is nothing wrong with your program.
but the problem is.
NumberFormatException..
come

if you run this program..
in your pc it work fine...

i also little change in your program..
you call
ob.compute(9)

give body to function
but not use the parameter
in the coding.

Answer 7

before learn the try catch..
you must learn.

Exception Handling..

check and uncheck Exception

Answer 8

https://code.sololearn.com/cGme215wVlpr/?ref=app

Harsh Agrawal
this might help you

Answer 9

Arun Tomar so it wll run in pc
but why it is not work in this app
any technical problem in this app or in my program

Answer 10

https://www.javatpoint.com/try-catch-block

this help you understand try and catch

and

https://www.tutorialspoint.com/java/java_exceptions.htm

this will help you in exception handling

Answer 11

Harsh Agrawal
while write a code..
used coment....
Its first ethic of programming

Answer 12

Arun Tomar i m not saying that ur program is not running but i just want to ask where is the falut in my program????

why it show exception

Answer 13

Arun Tomar can u xplain me try catch method i dont know much about try catch what does it mean? how is it useful? how can we used it?

Answer 14

Arun Tomar what do u mean with sure??? if u just xplain me how to used so plzzz

Answer 15

Arun Tomar okkk den so plzzz tell me d process how can we use try catch exception

Answer 16

Arun Tomar I rewrite my code by commenting it
so now plzzz check it my code n reslove my prblm

Answer 17

Gaurav Agrawal thnxxxx i got it but after i changed my program here it show exception so plzzzz resolve it

Answer 18

Arun Tomar why my program show exception

Answer 19

Arun Tomar it wll work when i use bufferedReader as global but when i used inside a function it shows error
when i used in two function

Answer 20

Arun Tomar bro but can u also xplain me in ur own lanuage so i can understand properly

BTW this link is gud to underatand try catch block