2. Based on the class structure below: import java.util.Stack; public class StackDemo3 { public static void main(String [) args) { Stack stackOfCards = new Stack<>(); stackofCards.push ("Jack"); stackofCards.push ("Queen"); stackofCards.push("King"); stackofCards.push ("Ace"); } By using the above class definition, write a program statement for each of the following operations. a) Check if the Stack is empty b) Find the size of Stack c) Search for an element. The search() method returns the 1-based position of the element from the top of the stack. It returns -1 if the element was not found in the stack.

2. Based on the class structure below: import java.util.Stack; public class StackDemo3 { public static void main(String [) args) { Stack stackOfCards = new Stack<>(); stackofCards.push ("Jack"); stackofCards.push ("Queen"); stackofCards.push("King"); stackofCards.push ("Ace"); } By using the above class definition, write a program statement for each of the following operations. a) Check if the Stack is empty b) Find the size of Stack c) Search for an element. The search() method returns the 1-based position of the element from the top of the stack. It returns -1 if the element was not found in the stack.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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