Java, Android, Python3, C++

Authors lectures and assignments on Java programming in NetBeans:Lecture 01 - Introduction to JavaLecture 02 - NetBeans Development Environment.
The simplest programsLecture 03 - Working with JTablesLecture 04 - Data Types.
Control constructsLecture 05 - Working with arraysLecture 06 - Basic Swing Components - Events, Forms, Buttons, Panels, TabsLecture 07 - Working with stringsLecture 08 - Components of Working with Text DataLecture 09 - Working with timers, sound, graphics, tray, streams, registryLecture 10 - Multi-window programsLecture 11 - Components of Lists and ChoicesLecture 12 - Components for working with numeric dataLecture 13 - Working with menus and dialogsLecture 14 - Working with filesLecture 15 - Multiclass Programs(!) Tasks and examples of execution:Task 01.
Creating a simple console programTask 02.
Creating a simple visual programTask 03.
Working with visual tabular dataTask 04.
Complex tabular calculationsTask 05.
Working with stringsTask 06.
Working with graphicsTask 07.
Creating a multi-window programTask 08.
Working with Swing TimersTask 09.
Working with arrays and filesTask 10.
Working with classes(*) JavaFXTopic 01 - Introduction and basic programsTopic 02 - TablesTopic 03 - Multi-window programsTopic 04 - Components of Selection($) Authors examples of Java programming in Android Studio:Example 01.
The sum of two numbers (the simplest example)Example 02.
Quadratic equation (example with different markings)Example 03.
Questionnaire with multiple windowsExample 04.
E-bookExample 05.
Map and geomarkersExample 06.
Database with searchExample 07.
Calendar and settingsExample 08.
Protecting a finished program from hackingExample 09.
Weather (Accessing the Web with JSON)Example 10 Quotes (Web Access with JSOUP)Example 11.
TablesExample 12.
BrowserExample 13.
WidgetExample 14.
SensorsExample 15.
Permissions (for all versions)[*] BONUS SECTION on Python3 with PyQt5 contains the following materials:LECTURE 01 - Installing Python, Libraries and IDELECTURE 02 - Basic Data Types, Conditions and OperationsLECTURE 03 - Lists, Dictionaries, Loops and ArraysLECTURE 04 - Working with Files, OS and the InternetLECTURE 05 - Classes, Threads, TimersLECTURE 06 - Main Components of PyQt5LECTURE 07 - Working with tables and text in PyQt5LECTURE 08 - List and Select Components in PyQt5LECTURE 09 - Signals and Events in PyQt5LECTURE 10 - Multi-Window Programs in PyQt5LECTURE 11 - Working with Dialogs and Messages in PyQt5LECTURE 12 - Additional PyQt5 ComponentsLECTURE 13 - Working with documents and graphicsLECTURE 14 - Databases in Python 3TASKSLiteratureLectures on C and C ++:* Data types, expressions* Conditions and cycles* Arrays* Functions and structures* Preprocessor tools* Working with files* String processing* OOP basicsP.S.
This application works only when installed from the official application store