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Java

Varargs

Can use Java varargs feature

Variable Arguments (Varargs) is a syntactic sugar type feature that allows writing a methods that can take a variable number of arguments.

The search method below can be called as search(), search("book"), search("book", "paper"), etc.

public static void search(String ... keywords){
   // method body
}

Resources:

JavaFX: Basic

Can use JavaFX to build a simple GUI

JavaFX is a technology for building Java-based GUIs. Previously it was a part Java itself, but has become a third-party dependency since then. It is now being maintained by OpenJDK.

Streams: Basic

Can use Java8 streams

Java 8 introduced a number of new features (e.g. Lambdas, Streams) that are not trivial to learn but also extremely useful to know.

Here is an overview of new Java 8 features .(written by Benjamin Winterberg)

Resources

Tutorials: