public class PopStack {

static class Stack{

private int maxsize;

private int stackArray[];

private int top;

Stack(int size){

maxsize= size;

stackArray= new int[maxsize];

top= -1;

}

public void push(int val){

if(top==maxsize-1){

System.out.println("Stack overflow");

return;

}

stackArray[++top]= val;

}

void display(){

for(int i=0; i<=top; i++){

System.out.print(stackArray[i] + " ");

}

}

int pop(){

if(top==-1){

System.out.println("Stack underflow");

return -1;

}

int poppedElement = stackArray[top--];

System.out.println(poppedElement + " popped from the stack");

return poppedElement;

}

}

public static void main(String[] args) {

Stack st= new Stack(5);

st.push(1);

st.push(2);

st.push(3);

st.push(4);

st.push(5);

st.display();

System.out.println();

st.pop();

st.display();

}

}