Assuming that the stack called "names" is defined as below, please answer the following questions: Philip Dustin Robin Debbie Rich

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
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Assuming that the stack called "names" is defined as below, please answer the
following questions:
Philip
Dustin
Robin
Debbie
Rích
Perform the following sequence of operations.
1) What is the result of each operation?
2) show the new stack: please write down each element of the new stack, from the top of the stack to the
bottom of the stack
String head = names.pop();
String nextTop = names.peek();
names.push("Alan");
names.push("Robert");
head = names.pop();
names.push("Sam");
while (!names.isEmpty()) {
}
System.out.println(names.pop());
Transcribed Image Text:Assuming that the stack called "names" is defined as below, please answer the following questions: Philip Dustin Robin Debbie Rích Perform the following sequence of operations. 1) What is the result of each operation? 2) show the new stack: please write down each element of the new stack, from the top of the stack to the bottom of the stack String head = names.pop(); String nextTop = names.peek(); names.push("Alan"); names.push("Robert"); head = names.pop(); names.push("Sam"); while (!names.isEmpty()) { } System.out.println(names.pop());
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