package collections;

import java.util.Stack;

public class StackExample {

// Pushing element on the top of stack

static void stack_push(Stack<Integer> stack) {

System.out.println("Push: ");

for(int i = 0; i < 5; i++){

stack.push(i);

System.out.print(i + ", ");

}

}

// Popping element from the top of the stack

static void stack_pop(Stack<Integer> stack) {

System.out.println("\nPop: ");

for(int i = 0; i < 5; i++) {

Integer y = (Integer) stack.pop();

System.out.print(y + ", ");

}

}

// Displaying element on the top of the stack

static void stack_peek(Stack<Integer> stack) {

Integer element = (Integer) stack.peek();

System.out.println("\nElement on stack top: " + element);

}

// Searching element in the stack

static void stack_search(Stack<Integer> stack, int element) {

Integer pos = (Integer) stack.search(element);

if(pos == -1){

System.out.println(element + " not found in stack " );

} else {

System.out.println(element + " found at position: " + pos);

}

}

public static void main(String[] args) {

Stack<Integer> stack = new Stack<Integer>();

stack_push(stack);

stack_pop(stack);

stack_push(stack);

stack_peek(stack);

stack_search(stack, 2);

stack_search(stack, 6);

}

}