Learn Java with Math: Using Fun Projects and Games

© Ron Dai 2019

R. DaiLearn Java with Mathhttps://doi.org/10.1007/978-1-4842-5209-3_28

28. Array – a Simple and Efficient Data Structure

Ron Dai¹ 

(1)

Seattle, WA, USA

 

When we are in a situation where we need to store and manipulate a bunch of the same types of data, we need to think about the right data structure to use. Let’s say we want to deal with data representing the same category of things such as students’ names and ages in your school. The data will need to be sorted, queried or searched, and accessed easily. And, we sometimes may need to update or delete some of the data.

Java provides a simple data structure called an array to meet these requirements. An array supplies a lot of storage space to accommodate our data. The label of each element ...