import java.util.Arrays; public class Stack { public int[] arr =new int[3]; public int counter =0; //your code is here public void push(int pushedElement){ //your code is here if(counter>=3){ //arr=Arrays.copyOf(arr,counter*2); System.out.println("overflow condition"); } arr[counter]=pushedElement; counter++; } public void pop() { //your code is here if(counter>0){ counter--; System.out.println(arr[counter]); } else System.out.println("underflow condition"); } public static void main(String[] args) { } }