Java UML – Collections, Streams, Exceptions Cheat Sheet
http://www.buggybread.com/2015/09/java-class-diagram-collections-classes.html
http://www.buggybread.com/2015/10/java-javaio-stream-classes.html
http://www.buggybread.com/2015/10/java-se-list-of-formatexception.html
http://www.buggybread.com/2015/10/java-se-javalang-string-classes.html
http://www.buggybread.com/2015/10/java-se-date-classes.html
http://www.buggybread.com/2015/10/java-se-time-classes.html
http://www.buggybread.com/2015/10/class-diagram-java-se-javautil-map_2.html