Question

Which method appends an element to an array list, increasing its size?

Answer 1

http://prntscr.com/5fu3z0

Answer 2

Though I don't know the answer because I haven't tried the append. So, here are some sources:
http://stackoverflow.com/questions/15899699/add-an-element-to-int-array-in-java
http://stackoverflow.com/questions/2843366/how-to-add-new-elements-to-an-array
http://stackoverflow.com/questions/8514046/java-add-element-to-an-array
http://www.mkyong.com/java/java-append-values-into-an-object-array/

Most of them use the add operator