Java

Java programming

Java programming (Code reference & info)
Learn Java for Android Development: Java Syntax

Find out Java version using the command prompt in Windows

In the command prompt, run the following command:

java -version

Java and the Windows Command Prompt

Comments

http://journals.ecs.soton.ac.uk/java/tutorial/getStarted/application/comments.html

Data types / Variables

https://www.tutorialspoint.com/java/java_basic_datatypes.htm
http://www.homeandlearn.co.uk/java/string_variables.html
http://stackoverflow.com/questions/9643610/java-including-variables-within-strings

String format
http://www.codejava.net/java-se/file-io/java-string-format-examples
https://examples.javacodegeeks.com/core-java/lang/string/java-string-format-example/
https://www.javatpoint.com/java-string-format

Operators

http://docs.oracle.com/javase/tutorial/java/nutsandbolts/operators.html

Diverse

http://www.tutorialspoint.com/java/index.htm
Java language basics
Appendix D: Java Programming Cheatsheet
Environment variable to control java.io.tmpdir?
Connect Java to a MySQL database
What does the @ sign means in java?
The Java Tutorials - Annotations Basics
The Java Tutorials - Annotations
Java Annotations tutorial with examples