Java

Tutorials / Youtube Channels

• Network Chat Programming The Cherno
• thenewboston java tutorial
• Let's Developer
• Alpha Brains Courses
• Java Brains
• Coding with John
• Will Tollefson

JPA

• Many-to-Many Relations

Trigonometry

• Standard way to normalize an angle to +/- π radians in Java

Strings

• Java: convert List to a join()d String

Data

• How to display a hex/byte value in Java
• String.format() and hex numbers in Java
• How do I round a double to two decimal places in Java?
• Remove Decimals from String

Arrays

• How can I convert a byte array into a double and back?
• How can I concatenate two arrays in Java?
• Reverse Array Order
• Conversion of Array To ArrayList in Java

IntStream

• IntStream filter() in Java with examples
• IntStream findFirst() in Java

Spring

Tutorials

• Dan Vega - How to create your first Spring Application (without Spring Boot)
• Building a RESTful Web Service
• Serving Web Content with Spring MVC
• Building REST services with Spring

Spring Context

• Singleton Bean Behavior

Thymeleaf

• How to escape single quote (') in Thymeleaf
• Thymeleaf utility methods
• How to avoid empty div tags from th:if in Thymeleaf?

Swing

Tutorials

• Sun Java Swing tutorial
• ZetCode Java Swing
• How to Use GroupLayout

Problems

• how do i clear my frame screen in java?
• Lagging problem
• The correct way to "swap" a component in Java
• Java Swing revalidate() vs repaint()
• paint() and repaint() in Java
• Un-Select JToggleButton
• Java Swing | JToggleButton Class
• How to create ButtonGroup of JToggleButton's that allows to deselect the actual option?

Code Style

• Should I initialize variable within constructor or outside constructor

Files

• How do I check if a file exists in Java?
• Get a resource using getResource()
• Loading resources using getClass().getResource()
• Difference Between Class.getResource() and ClassLoader.getResource()
• How to create a directory in Java?
• FileOutputStream in Java

Constructor

• Java call constructor from constructor

Graphics

• Convert RGB values to Integer

ffmpeg

ffmpeg

Build

• Java Build Overview: javac, Ant, Maven, Gradle, with demonstration
• Simple Explanation of Maven and pom.xml

regex

• Java Regular Expressions

XML

• How to read XML file in Java (SAX Parser)
• dom4j
• XPath Tutorial
• Java DOM4J Parser - Overview