ToC

Java 8

Java 8

default and static methods in Interfaces
forEach() method in Iterable interface

iterable.forEach(() -> ""));

Functional Interfaces and Lambda Expressions

 () -> {};

Java Stream API for Bulk Data Operations on Collections

iterable
.stream()
.filter()
.map()
.collect()

StringJoiner to join string by delimiter

new StringJoiner("-").add("foo").add("bar")