LinkedStackReview

import java.util.Random;

public class LinkedStackReview {

    public static void main(String []args) {
        Random random = new Random();

        LinkedStack<Integer> ls1 = new LinkedStack<>();

        int value;
        for (int i = 0; i <= 10; i++) {
            value = 1 + random.nextInt(10);
            ls1.push(value);
        }
        System.out.print("Original ls1 stack: ");
        ls1.display();
        System.out.println("No. of elements matching 8: " + ls1.numMatches(8));
        ls1.display();
        System.out.println();
        LinkedStack<Integer> ls2 = new LinkedStack<>();
        ls2.push(20); // bottom of the stack
        ls2.push(1);
        ls2.push(1);
        ls2.push(1);
        ls2.push(1);
        ls2.push(1);
        ls2.push(1);
        ls2.push(192); // top of stack

        //System.out.println("No. of elements matching 20: " + numMatches(ls2,20));
        //System.out.println("No. of elements matching 1: " + numMatches(ls2,1));
        //System.out.println("ls2 stack display: ");
        System.out.print("Original stack: ");
        ls2.display();
        System.out.println("No. of elements matching 1: " + ls2.numMatches(1));
        System.out.println("No. of elements matching 20: " + ls2.numMatches(20));
        ls2.display();

        LinkedStack<Integer> ls3 = new LinkedStack<>();
        ls3.push(20); // bottom of the stack
        System.out.println(ls2.isSingleton());
    }
}