You'll learn what a file extension is and which programs create them here. Give concrete instances to back up your claims.
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- Fill in the blanks Given the 2 class files below, if there is a compiling (syntax) error found at a certain line, what statement should you insert at what line number in the code below, without changing that line containing the error? (Separate the keywords/phrases using 1 space only. Do not use asterisk symbol. Write none, if no compiling error.) Answer: Insert at line number - 1 attachment 1- 2-package database; 3- 4-public class Employee ( 5- private double monthlyBasicSalary; 6- public void computeYear EndBonus() { 7- System.out.println("Computes and displays employee's year-end bonus based on monthly basic salary."); 8- } 9-} 18- 11-package accounting; 12- 13-public class Payroll ( 14- public static void main(String[] args) { 15- Employee e new Employee(); 16- } 17-}New JAVA Code can only be added to the Order.java files after line 17. Lines 1-17 can NOT be changed in any way.Include an inner listener class to handle the events from the Save Record button. WhenSave Record button is clicked, new customer record is inserted into the table named“CUSTOMER” and display a message “New Customer Record Inserted” in a dialog box.Include another anonymous inner listener class to handle the events from the Reset button.When Reset is clicked then clear all the text fields and place the cursor in the first text fieldto allow the user to re-enter the correct values and Write a code that includes an exception handler that deals with duplicate records (e.g. sameCustomer ID.) and database error (e.g. Error establishing a database connection).
- 4. Be able to save a FriendsDB to a file. Add a method save() to the FriendsDB class, which takes a filename as an argument and saves all of the friends in the database to the specified filename. The file will contain one line per friend in the database, and each line of the file will contain that friend's name, followed by a tab, followed by their height, a tab, and then each of their favorite foods (separated by tabs), and finally a newline character. So for example a FriendsDB file with two friends, bimmy (height 60, favorite foods "falafel" and "vegemite") and eliza (height 170, no favorite foods) would contain lines equivalent to the following two strings. "bimmy\t60\tfalafel\tvegemite\n", "eliza\t170\t\n"|When is it appropriate to adopt the direct method in order to prevent a deadlock? We kindly request that you refrain from providing comments that are handwritten and that only include a single word, phrase, or sentence. I would be grateful if you could help me understand it.Write a program that generates student records in a database file. Your program should be able to generate at least 10 records. The format in the database should be: student name, student id The first student id should be 20180001, second id will be 20180001 and so forth. Show screenshot of script
- InfoFrame Data Storage Process Data File A0 7 B0 0 C0 18 D0 11 E0 16 F0 10 G0 11 H0 8 I0 13 J0 11 A10 19 B10 9 C10 3 D10 4 E10 7 ... F10 3 G10 19 H10 18 I10 15 J10 13 Testing Create a main method in your script. Utilize the data file provided to create the InfoFrame object. Write the code shown below in the main method EXACTLY as shown. Call the main method Substitute your filepath hereIn this lab, you will read two files. Firstly, the ‘AccountData.csv’ file has the name and account number.Use each account number to scan the ‘BankData.csv’ file for a matching account number to get a ‘balance’from the account transactions. You must repeatedly open, read the ‘BankData.csv’ file and close it for eachaccount number in the ‘AccountData.csv’ file unless you wish to store its entire contents in a static array.(More code and may not be enough time to complete.) import java.io.*;import java.nio.file.Files;import java.nio.file.Path;import java.nio.file.Paths;import java.util.ArrayList;import java.time.format.DateTimeFormatter; public class BankDataProcessing { static DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MM-dd-yyyy HH:mm"); static ArrayList<BankAccount> Accounts = new ArrayList<>(); public static void main(String[] args) { try { Path path = Paths.get("src/AccountData.csv"); readAccounts(path, true);…Design a Client class that interfaces with your SQLDatabase Server (from the class Server). The Client sends a SQLQuery to the SQLDatabase and receives a Dataframe from the SQLDatabase. Your class should contain the default __dunders__ and potentially introduce some custom __dunders__. classServer.py (Just change if this file has something doesn't run or doesn't fit with new code) import sqlite3import pandas as pdclass Server:def __init__(self, db_name):self.db = sqlite3.connect(db_name)self.cursor = self.db.cursor()def __enter__(self):return selfdef __exit__(self, exc_type, exc_val, exc_tb):self.db.close()def create_table(self, table_schema):self.cursor.execute(table_schema)self.db.commit()def insert_data(self, table_name, data):for i in range(len(data)):keys = ", ".join(data.columns)values = ", ".join([f"'{value}'" if pd.isna(value) else str(value) for value in data.iloc[i]])self.cursor.execute(f"INSERT INTO {table_name} ({keys}) VALUES ({values})")self.db.commit()def…
- I would like to know/have further clarification on what is happening in the "partition" section. Please provide further comments Thank youDesign and implement a simple interactive Book database for library users. Use the attached library.txt file as the book catalog. In addition to building the base, the program should be able to search a particular book title from the database. If a book is not available, users should receive a meaningful message.For this project you will have to build a web application for managing a support ticketing system (STS). The application must be implemented with PHP. You can use a relational database like MySQL. - Non-logged-in users should see a “Register” menu link on all pages, which leads them to the registration page - The registration process requires the user’s email, password, name and team - The email should be a valid email address and not exist in the system (two registered users cannot have the same email) - Passwords should be at least 6 characters long and should contain both letters and numbers - The team should be one of the following values: Development, Support, Sales - Proper validation should be performed by the system, and detailed error messages displayed - Non-logged-in users should see a “Login” menu link on all pages, leading to the login page - login page asks for user email and password.