JVM Groovy (GROOVY1)

Programming, Java, Spring

This JVM Groovy course helps Java developers extend skills with dynamic languages on the Java platform. You will learn to use Groovy as a concise alternative to Java and apply its features to build modern applications efficiently.

You will explore control flow, data types and core OOP concepts such as classes, inheritance and closures. The course covers IntelliJ IDEA, strings, collections, regular expressions, packages, interfaces, exceptions and build tools for real projects.

Location, current course term

Brno + online (volitelně)	9/22/2025 - 9/24/2025 CZECH Order 11/24/2025 - 11/26/2025 CZECH Order 1/19/2026 - 1/21/2026 CZECH Order
Praha + online (volitelně)	11/3/2025 - 11/5/2025 CZECH Order 12/29/2025 - 12/31/2025 CZECH Order 2/23/2026 - 2/25/2026 CZECH Order
Custom	Customized Training (date, location, content, duration)

The course:

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• Introduction, overview of the Groovy language

• Introduction to object-oriented programming
1. Familiarize with object, inheritance, class, polymorphism
2. Core OOP principles

• Setting up the development environment (standardly IntelliJ)

• Data types, operators, control statements
1. Loops
2. Comparison (==, ===, equals)
3. Closures
4. Switch statement
5. Properties
6. Default and named arguments
7. Ranges
8. Operator overloading

• Strings and other basic data types
1. String properties, string comparison, immutability
2. String class methods
3. Standard language arrays, limitations and benefits, creation, for loop and iterable objects

• Designing and creating classes, methods, objects
1. Creating custom classes
2. Object fields and properties, object methods
3. Instantiating objects
4. Visibility levels
5. Data classes

• Creating packages and implementing interfaces
1. Package structure, relation of packages and directory layout during compilation and class loading, IDE support for directory and package management
2. Importing packages, type visibility
3. Implementing interfaces, implicit casting to interfaces, explicit casting, role of instanceof

• Exception handling in programs
1. Types of exceptions in Java and Groovy environments
2. Standard exceptions, checked and runtime exceptions
3. Handling exceptions
4. finally block

• Build tools
1. Overview - Maven, Gradle (Gradle by default)
2. Managing and adding dependencies

• Working with collections
1. Mutable and immutable collections
2. Lists, arrays
3. Associative arrays (maps)

• Input and output operations
1. Console interaction: printing, reading, Console object
2. Program parameters, running applications from the command line

• Null safety
1. Introduction and importance
2. Usage with collections

• Interoperability with the Java language

• Creating and running standalone applications

Assumed knowledge:

Basic knowledge of Java.

Recommended previous course:

Java - Introduction to Programming (JAV1)

Schedule:

3 days (9:00 AM - 5:00 PM )

Course price:

672.00 € ( 813.12 € incl. 21% VAT)

Language: