book

Beginning Java 17 Fundamentals: Object-Oriented Programming in Java 17

Name: Beginning Java 17 Fundamentals: Object-Oriented Programming in Java 17
ISBN: 9781484273074

by Kishori Sharan, Adam L. Davis

November 2021

Beginner

1023 pages

28h 40m

English

Apress

Content preview from Beginning Java 17 Fundamentals: Object-Oriented Programming in Java 17

K. Sharan, A. L. DavisBeginning Java 17 Fundamentalshttps://doi.org/10.1007/978-1-4842-7307-4_4

4. Data Types

Kishori Sharan¹ and Adam L. Davis²

(1)

Montgomery, AL, USA

(2)

Oviedo, FL, USA

In this chapter, you will learn:

What identifiers are and the detailed rules to declare them
What data types are
The difference between primitive and reference data types
Local variable type inference using “var”
How to declare variables of a data type
How to assign a value to a variable
Detailed descriptions of all primitive data types in Java
What literals of a data type are
What casting is and when it is needed
Binary representation of integers and floating-point numbers
Different rounding modes for floating-point numbers
How Java ...

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