b. The following is the postfix evaluation code for your reference. Explain the stack status for evaluating the following postfix expression 345 +* public class EvaluatePostfix { public static void main(String[] args) { Stack stack = new Stack(); while (!StdIn.isEmpty()) { String s = if StdIn.readString(); (s.equals("+")) stack.push(stack.pop() + stack.pop()); else if (s.equals("*")) stack.push(stack.pop() * stack.pop()); else stack.push(Integer.parseInt(s)); } Stdout.println(stack.pop()); } }
b. The following is the postfix evaluation code for your reference. Explain the stack status for evaluating the following postfix expression 345 +* public class EvaluatePostfix { public static void main(String[] args) { Stack stack = new Stack(); while (!StdIn.isEmpty()) { String s = if StdIn.readString(); (s.equals("+")) stack.push(stack.pop() + stack.pop()); else if (s.equals("*")) stack.push(stack.pop() * stack.pop()); else stack.push(Integer.parseInt(s)); } Stdout.println(stack.pop()); } }
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
![The following is the postfix evaluation code for your reference. Explain the stack status
for evaluating the following postfix expression
b.
345 + *
public class EvaluatePostfix {
public static void main(String[] args) {
Stack<Integer> stack = new Stack<Integer>();
while (!StdIn.isEmpty()) {
String s = StdIn.readString();
if
(s.equals ("+")) stack.push(stack.pop() + stack.pop());
else if (s.equals("*")) stack.push(stack.pop() * stack.pop());
else stack.push(Integer.parseInt(s));
}
Stdout.println(stack.pop());
}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feb2aed17-4a02-458e-a719-d9679f9ccee1%2F908e3eb9-c7ab-4eb4-a666-3cf674ccb4f3%2Fqo9tsia_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The following is the postfix evaluation code for your reference. Explain the stack status
for evaluating the following postfix expression
b.
345 + *
public class EvaluatePostfix {
public static void main(String[] args) {
Stack<Integer> stack = new Stack<Integer>();
while (!StdIn.isEmpty()) {
String s = StdIn.readString();
if
(s.equals ("+")) stack.push(stack.pop() + stack.pop());
else if (s.equals("*")) stack.push(stack.pop() * stack.pop());
else stack.push(Integer.parseInt(s));
}
Stdout.println(stack.pop());
}
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