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Beginning Java 8 Fundamentals: Language Syntax, Arrays, Data Types, Objects, and Regular Expressions by Kishori Sharan

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CHAPTER 15

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Arrays

In this chapter, you will learn:

  • How to declare array variables
  • How to create arrays
  • How to access elements of an array
  • How to use a for loop and a for-each loop to iterate through elements an array
  • How to copy elements of one array to another array
  • How to copy primitive and reference types arrays
  • How to use multi-dimensional arrays
  • How to use an ArrayList when a variable-length array is needed
  • How to convert elements of an ArrayList to an array and vice versa

What Is an Array?

An array is a fixed-length data structure that is used to hold more than one value of the same data type. Let’s consider an example, which will explain ...

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