Topics

• Getting started with Java Language
• Streams
• Exceptions and exception handling
• Collections
• File I/O
• Arrays
• Strings
• Concurrent Programming (Threads)
• Regular Expressions
• JAXB
• Networking
• WebView
• Date Class
• Calendar and its Subclasses
• Operators
• JSON in Java
• Supporting Screens With Different Resolutions, Sizes
• Getting started with thymeleaf
• Getting started with jpa
• Statistical functions
• Creating a database connection
• PreparedStatement
• Alternative Collections
• Statement batching
• Firebase
• Common Java Pitfalls
• Non-Access Modifiers
• Process
• Java Pitfalls - Performance Issues
• Applets
• Getting started with opencart
• Queues and Deques
• Spring boot + Hibernate + Web UI (Thymeleaf)

Examples

• Using Streams
• Catching an exception with try-catch
• Creating and Initializing Arrays
• Changing the case of characters within a String
• Creating Calendar objects
• The String Concatenation Operator (+)
• The Arithmetic Operators (+, -, *, /, %)
• Encoding data as JSON
• Decoding JSON data
• optXXX vs getXXX methods
• Parallel Stream
• Using Jackson Object Mapper
• Not matching a given string
• Time Zones and java.util.Date
• Installation or Setup
• Synchronization
• Atomic operations
• Calculating the median of a set of values
• Replacing parts of Strings
• Minimal persistence.xml example
• Oracle JDBC connection
• How to add Firebase Crash Reporting to your app
• Firebase Storage Operations
• JSON Iteration
• JSON Builder - chaining methods
• JSONObject.NULL
• Adding Directories
• The usage of the PriorityQueue
• LinkedList as a FIFO Queue
• volatile
• Case insensitive switch
• static
• abstract
• synchronized
• transient
• strictfp
• Firebase Cloud Messaging
• Binding an XML namespace to a serializable Java class.
• Exclusive write / Concurrent read access
• Pitfall - The overheads of creating log messages
• Using the ProcessBuilder class
• Blocking vs. Non-Blocking Calls
• ch.vorburger.exec
• BlockingQueue
• Add two `int` arrays using a Threadpool
• How to report an error
• Downloading a file using Channel
• Minimal Applet
• Creating a GUI
• Open links from within the applet
• Loading images, audio and other resources
• Installation or Setup
• Maven dependencies
• Hibernate Configuration
• Entities and Repositories
• Thymeleaf Resources and Spring Controller