Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 12.13, Problem 12.13.1CP
Program Plan Intro
WebCrawler:
The WebCrawler program helps to traverse the document on web by using succeeding hyperlinks.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which linked list contains the fewest nodes? Longest?
import requestsfrom bs4 import BeautifulSoupimport pandas as pd
# Prompt user to enter URLs to scrapeurls = input("Enter URLs to scrape (comma-separated): ").split(",")
# Create an empty list to store scraped datadata = []
# Loop through each URL and scrape relevant datafor url in urls:response = requests.get(url)soup = BeautifulSoup(response.content, "html.parser")# Extract relevant data from HTML using BeautifulSoup# In this example, we extract all the links in the HTMLlinks = [link.get("href") for link in soup.find_all("a")]# Append the scraped data to the listdata.append(links)
# Create a pandas DataFrame from the scraped data, if the list is not emptyif data:df = pd.DataFrame(data)# Write the DataFrame to an Excel filedf.to_excel("scraped_data.xlsx", index=False)else:print("No URLs entered. Exiting program.")
I keep running into a syntax error, could you help me edit this program.
I am trying to create a webscraper that asks user to enter a website and then it will put the…
what are the differences between a HashMap and LinkedHashMap?
Chapter 12 Solutions
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Ch. 12.2 - Prob. 12.2.1CPCh. 12.2 - Prob. 12.2.2CPCh. 12.2 - Prob. 12.2.3CPCh. 12.2 - Prob. 12.2.4CPCh. 12.2 - Prob. 12.2.5CPCh. 12.2 - Show the output of the following code:Ch. 12.3 - Prob. 12.3.1CPCh. 12.3 - Prob. 12.3.2CPCh. 12.4 - Prob. 12.4.1CPCh. 12.4 - Prob. 12.4.2CP
Ch. 12.4 - Prob. 12.4.3CPCh. 12.4 - Prob. 12.4.4CPCh. 12.4 - Prob. 12.4.5CPCh. 12.4 - Prob. 12.4.6CPCh. 12.4 - What is displayed when running the following...Ch. 12.4 - Prob. 12.4.8CPCh. 12.4 - What does the method getMessage() do?Ch. 12.4 - What does the method printStackTrace() do?Ch. 12.4 - Prob. 12.4.11CPCh. 12.4 - Prob. 12.4.12CPCh. 12.5 - Prob. 12.5.1CPCh. 12.6 - Prob. 12.6.1CPCh. 12.7 - Prob. 12.7.1CPCh. 12.8 - Prob. 12.8.1CPCh. 12.9 - Prob. 12.9.1CPCh. 12.9 - Prob. 12.9.2CPCh. 12.10 - What is wrong about creating a File object using...Ch. 12.10 - How do you check whether a file already exists?...Ch. 12.10 - Can you use the File class for I/O? Does creating...Ch. 12.11 - Prob. 12.11.1CPCh. 12.11 - Prob. 12.11.2CPCh. 12.11 - Prob. 12.11.3CPCh. 12.11 - Prob. 12.11.4CPCh. 12.11 - What will happen if you attempt to create a...Ch. 12.11 - Prob. 12.11.6CPCh. 12.11 - Suppose you enter 45 57, 8 789, then press the...Ch. 12.11 - Prob. 12.11.8CPCh. 12.12 - How do you create a Scanner object for reading...Ch. 12.13 - Prob. 12.13.1CPCh. 12.13 - Simplify the code in lines 20-28 as follows: 1....Ch. 12 - Prob. 12.1PECh. 12 - (InputMismatchException) Write a program that...Ch. 12 - (ArrayIndexOutOfBoundsException) Write a program...Ch. 12 - (IllegalArgumentException) Modify the Loan class...Ch. 12 - (IllegalTriangleException) Programming Exercise...Ch. 12 - (NumberFormatException) Listing 6.8 implements the...Ch. 12 - Prob. 12.7PECh. 12 - Prob. 12.8PECh. 12 - Prob. 12.9PECh. 12 - Prob. 12.10PECh. 12 - Prob. 12.11PECh. 12 - (Reformat Java source code) Write a program that...Ch. 12 - (Count characters, words, and lines in a file)...Ch. 12 - (Process scores in a text file) Suppose a text...Ch. 12 - (Write/read data) Write a program to create a file...Ch. 12 - Prob. 12.16PECh. 12 - (Game: hangman) Rewrite Programming Exercise 7.35....Ch. 12 - Prob. 12.18PECh. 12 - (Count words) Write a program that counts the...Ch. 12 - Prob. 12.20PECh. 12 - (Data sorted?) Write a program that reads the...Ch. 12 - Prob. 12.22PECh. 12 - (Process scores in a text file on the Web) Suppose...Ch. 12 - (Create large dataset) Create a data file with...Ch. 12 - (Create a directory) Write a program that prompts...Ch. 12 - Prob. 12.26PECh. 12 - (Replace words) Suppose you have a lot of files in...Ch. 12 - (Rename files) Suppose you have a lot of files in...Ch. 12 - (Rename files) Suppose you have several files in a...Ch. 12 - (Occurrences of each letter) Write a program that...Ch. 12 - (Baby name popularity ranking) The popularity...Ch. 12 - (Ranking summary) Write a program that uses the...
Knowledge Booster
Similar questions
- Do you plan to do anything to make the following URLs (hyperlinks) more secure?arrow_forwardWhich of the following statements about hash pointers in Blockchain is CORRECT? A. A hash pointer is only used to retrieve the information. B. A hash pointer is only used to verify that the information in the previous block hasn't been changed. C. In the blockchain, the head of the list is a regular hash‐pointer that points to the first data block created in the network. D. In the blockchain, if an attacker tampers a block without modifying other blocks, then we cannot detect the change.arrow_forwardCreate a method to filter duplicate keys from a linked list.arrow_forward
- Design a class of BloomFilter using Python. Please use MurmurHash3 as the hash function and the bitarray Links to an external site. as the bit array. Please also provide at least one test case, i.e., checking the existence of an item in your designed BloomFilter.arrow_forwardThe total of all playlists needs to be $2.23 how do we fix this?arrow_forwardThe code using only the LinkedList doesn't produce the right output now, it gives this again. Refer to image The output should produce the amount made from the shares using only the LinkedList instead of the Hashmap.arrow_forward
- Which XXX would replace the missing statement in the given algorithm for traversing a circular linked list? CircularListTraverse(head) {if (head is not null) {current = headdo {visit currentcurrent = current⇢next} while (XXX)} } Group of answer choices current == head current == tail current != head current != tailarrow_forwardIs it feasible to store a HashMap with a duplicate key?arrow_forwardFind a way to delete duplicate keys in a linked list and create an algorithm to remove them.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Np Ms Office 365/Excel 2016 I NtermedComputer ScienceISBN:9781337508841Author:CareyPublisher:Cengage
Np Ms Office 365/Excel 2016 I Ntermed
Computer Science
ISBN:9781337508841
Author:Carey
Publisher:Cengage