Prateek Sir and Coding

#1

import java.util.*;
public class Main {
public static void main(String args[]){
try{
Stack s=new Stack();
Scanner sc=new Scanner(System.in);
int t=sc.nextInt();
for(int i=0;i<t;i++){
int a=sc.nextInt();
if(a==2){
int k=sc.nextInt();
s.push(k);
}
if( a==1){
int g=s.peek();
System.out.println(g);
s.pop();
}
}
}
catch(Exception e){
System.out.println(e);}}
}
it is showing wrong answer ,what wrong with my code.

#2

@Sweta,
https://ide.codingblocks.com/s/196506 corrected code.

Error: Not printing “No Code” if the stack is empty.

#3

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