Book Image

Learn Java 17 Programming - Second Edition

By : Nick Samoylov
4 (1)
Book Image

Learn Java 17 Programming - Second Edition

4 (1)
By: Nick Samoylov

Overview of this book

Java is one of the most preferred languages among developers. It is used in everything right from smartphones and game consoles to even supercomputers, and its new features simply add to the richness of the language. This book on Java programming begins by helping you learn how to install the Java Development Kit. You’ll then focus on understanding object-oriented programming (OOP), with exclusive insights into concepts such as abstraction, encapsulation, inheritance, and polymorphism, which will help you when programming for real-world apps. Next, you’ll cover fundamental programming structures of Java such as data structures and algorithms that will serve as the building blocks for your apps with the help of sample programs and practice examples. You’ll also delve into core programming topics that will assist you with error handling, debugging, and testing your apps. As you progress, you’ll move on to advanced topics such as Java libraries, database management, and network programming and also build a sample project to help you understand the applications of these concepts. By the end of this Java book, you’ll not only have become well-versed with Java 17 but also gained a perspective into the future of this language and have the skills to code efficiently with best practices.
Table of Contents (23 chapters)
1
Part 1: Overview of Java Programming
5
Part 2: Building Blocks of Java
15
Part 3: Advanced Java

Best practices of exception handling

Checked exceptions were designed to be used for recoverable conditions when an application can do something automatically to amend or work around the problem. In practice, this doesn’t happen very often. Typically, when an exception is caught, the application logs the stack trace and aborts the current action. Based on the logged information, the application support team modifies the code to address the condition that is unaccounted for or to prevent it from occurring in the future.

Each application is different, so best practices depend on the particular application requirements, design, and context. In general, it seems that there is an agreement in the development community to avoid using checked exceptions and to minimize their propagation in the application code. The following is a list of a few other recommendations that have proved to be useful:

  • Always catch all checked exceptions that are close to the source.
  • If in...