The Heroes of Java: Angelika Langer

1. http://blog.eisele.net/2012/10/the-heroes-of-java-angelika-langer.html
2. https://www.techempower.com/blog/2013/03/26/everything-about-java-8/
3. https://blog.jooq.org/2015/12/08/3-reasons-why-you-shouldnt-replace-your-for-loops-by-stream-foreach/