Java, Python courses

Installation of Python and PyCharm IDE

• creating first scripts running a program in PyCharm IDE running a program on Linux

Python Language

• characteristics of the Python language history of the language and its use

Lexical Structure of Python

• comments and whitespace identifiers, literals operators and separators keywords

Data Types and Variables

• Boolean data type numbers and strings None data type

Working with Strings

• creating strings basic string operations string formatting

Installing Python and PyCharm IDE

• creating first scripts running a program in PyCharm IDE running a program on Linux

Python Language

• characteristics of the Python language history of the language and its use

Lexical Structure of Python

• comments and white spaces identifiers, literals operators and separators keywords

Data Types and Variables

• Boolean data type numbers and strings None data type

Working with Strings

• creating strings basic operations with strings string formatting

Introduction

• Basic properties of Python

Comparison with Other Languages

Installation and Use of IDLE

• Installation of Python

Creating a Script in IDLE and Running It

Language Basics

• Python language syntax
• Output
• Reading input from the user
• Variables, data types, conversion
• Mathematical and logical operations, programming a calculator
• Program flow control, commands for branching and loops

Introduction

• review of Python 3 basics

Language Basics

• lists (array), tuples and working with them working with strings, formatting, string module dictionaries and working with them

Working with Files

• basics of working with files opening files for reading and writing working with files

Errors and Exceptions

• getting familiar with exceptions types, raising, catching and handling exceptions

Object-Oriented Programming

• OOP basics, classes, properties and methods constructors and destructors inheritance and multiple inheritance

Introduction to Data Analysis

• What data analysis is
• Roles: data analyst, data engineer, data scientist

Advanced Techniques for Working with Data

• Advanced work with functions
• Selection, filtering and sorting of data
• Grouping data
• Working with float and Decimal types
• Use of dataclass and namedtuple

Working with Data Sources

• CSV, JSON and XML formats
• Processing Excel files using the openpyxl module

Data Visualization

• Creating charts using the Matplotlib library
• Chart types: scatter, line, bar, pie
• Working with subplots

Web Scraping - Obtaining Data from the Web

• HTTP requests using the httpx module
• Parsing HTML with the selectolax module

Large Language Models (LLM)

definition of LLM, creation of language models, use of existing models

Chatbots

Copilot, Gemini, ChatGPT, DeepSeek

Prompts

Dates and Time with the PyQt Library

• QDate, QTime and QDateTime classes universal time daylight and winter time

Creating Charts with the Matplotlib Library

• creating and exporting charts line, bar and pie charts

Working with Excel Files with the Openpyxl Library

• reading and writing data formulas, images and charts

Working with Images with the Pillow Library

• image manipulation image export creating a watermark

Creating a GUI with the PyQt Library

• principles of graphical user interface basic components (QLabel, QPushButton, QSlider) event programming working with graphics

Java Language Basics I Course

Java Language

• characteristics and history of Java JRE, JDK installation of JDK and NetBeans IDE

Lexical Structure of Java

• comments and white space identifiers and literals operators and separators keywords

Data Types and Variables

• primitive types reference types

Working with Strings

• string initialization basic string operations String and StringBuilder string formatting

Java Language Basics I Course

Java Language

• characteristics and history of Java JRE, JDK installation of JDK and NetBeans IDE

Lexical Structure of Java

• comments and white spaces identifiers and literals operators and separators keywords

Data Types and Variables

• primitive types reference types

Working with Strings

• initialization of strings basic operations with strings String and StringBuilder string formatting

Description of the Java Language and Its Properties

OOP Basics

• polymorphism inheritance encapsulation control of visibility of member data and functions

Comments

Language Data Types, Variables

Variable Initialization

• constructors overloading garbage collector

Sorting and Ordering Data

• Comparing and sorting basic data types Comparing and sorting objects Comparable and Comparator

Generics

• need for generic programming type erasure automatic type inference

Functional Java

• functional interfaces Function, Predicate, Consumer, Supplier @FunctionalInterface lambda expressions

Streams and Lambda Expressions

• characteristics of streams filtering, mapping sorting, reductions

Input-Output Operations

• I/O operations in Java Reader and Writer FileInputStream, InputStreamReader working with CSV files

Data Structures

• arrays sorting array as return value comparing arrays

Containers

• types of containers iterators

Generics

• dynamic identification type detection at runtime casting

exceptions

• division use meaning exception processing

Security in Java

Practical Use of JasperReports and iReport for Report Creation

• libraries, sources, documentation first report and test of supported output formats (PDF, HTML, RTF, XML, XLS, ODF)

Practical Use of iReport for Visual Report Design

• page layout parameters, fields, variables use of images barcodes data sources dynamic report with data from a data source dynamic images inserting and using charts subreports

Advanced Techniques

• manipulation of report contents at runtime, use of scriptlets online generation of print reports on the web (on-the-fly-PDF-servlet) compilation of report source code options for report placement discussion conclusion

Processing an XML Document as a Whole

• processing the document tree document output

Sequential Processing of an XML Document

• event-based processing event types principle of the state machine error processing

Use of XSLT Transformation

• example of XSLT language schema compilation and input processing resource requirements implementation of custom functions discussion conclusion

Practical Use of JavaMail Interface

• basic protocols for working with electronic mail (POP3, IMAP, SMTP) basics of electronic signature (repetition) necessary libraries create and send an email specifics of e-mail communication in the Central European character set environment. create an email with an attachment creating signed emails creating encrypted emails