Java

“A scientist builds in order to learn, an engineer learns in order to build.” (Fred Brooks)

Java Introduction Tutorials

• Java Basic Programs: 5 Simple Examples
• Java Hello World - How to Run

Java 9 Tutorials

• Java 9 Strings

Java 8 Tutorials

• How to sort a Set in Java example
• Java 8 parallel streams API
• Java regex by example: strings

Java Best Practice

• Prefer two-element enum types to boolean parameters
• Recipe for a high-quality "equals" method
• Return empty objects, not nulls
• Ugly code: The Law of Demeter

Other Java articles and tutorials

• Grails Javascript Example
• Groovy intersect lists with objects
• Groovy: remove duplicate objects from list
• How to convert java long to 4 bytes data
• How to program a drone with Java
• How to use Java varargs
• Inheritance Java equality check
• Java conversions and 7 Golden rules of widening, boxing & varargs
• Java test with JUnit
• Java variable types
• Java volatile vs atomic variables
• Read and write to spreadsheet in Java
• Static variables default values with examples
• Too many functions in Java code

Java Quiz

• Java quiz: Declarations and Access
• Java quiz: Object Orientation

Good Java Resources