able to solve the challenge but not sure how to provide custom input throwing
Exception in thread “main” java.util.NoSuchElementException
at java.util.Scanner.throwFor(Scanner.java:862)
at java.util.Scanner.next(Scanner.java:1485)
at java.util.Scanner.nextInt(Scanner.java:2117)
at java.util.Scanner.nextInt(Scanner.java:2076)
at Main.main(Main.java:13)
code used
import java.util.*;
public class Main {
public static void main(String args[]) {
Scanner scanner =new Scanner(System.in);
int number=scanner.nextInt();
for(int i=1;i<=number;i++)
{
Scanner scan =new Scanner(System.in);
int n=scan.nextInt();
int x=0;
int y=0;
int val=1;
//
while(n/10!=0||n%10!=0)
{
x=n%10;
n=n/10;
y=y+x*val;
val=val*2;
}
System.out.println(y);
}
}
}