public class PushStack

{

static class Stack{

private int maxsize;

private int stackArray[];

private int top;

// constructor to initialize stack with a max size

Stack(int size){

maxsize= size;

stackArray= new int[maxsize];

top= -1;

}

void push(int val){

if(top==maxsize-1){

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

return;

}

stackArray[++top] = val;

System.out.println(val + " pushed into stack");

}

void display(){

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

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

}

}

}

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.push(6);

st.push(7);

st.display();

}

}