Arithmetic Operators
java programming language that provide operators that perform addition, subtraction, multiplication, and division
ArrayList
alternative to an array, class manages sequences of objects, grows & shrinks as needed
Column
up and down segments in an array
Garbage
gets rid of objects not being used anymore
List
represents ordered collection of objects, meaning you can access elements in a specific order; arraylist implements list interface -- a way to relate several ideas
Matrix
table with rows and columns, represents arrays
Row
left to right segments in an array
Traverse
doing a loop that visits every element/position, accessing every object stored
Wrapper
cant insert primitive data types into arraylists, so use wrapper class t treat primitive type values as objects
ClassCastException
exception that occurs when you try to imporperly convert a class from one type to snother