Write code thats clean concise and to the point code that others will read with pleasure and reuse. Comparing your code to that of expert programmers is a great way to improve your coding skills. Get handson advice to level up your coding style through small and understandable examples that compare flawed code to an improved solution. Discover handy tips and tricks as well as common bugs an experienced Java programmer needs to know. Make your way from a Java novice to a master craftsman. This book is a useful companion for anyone learning to write clean Java code. The authors introduce you to the fundamentals of becoming a software craftsman by comparing pieces of problematic code with an improved version to help you to develop a sense for clean code. This unique beforeandafter approach teaches you to create clean Java code. Learn to keep your booleans in check dodge formatting bugs get rid of magic numbers and use the right style of iteration. Write informative comments when needed but avoid them when they are not. Improve the understandability of your code for others by following conventions and naming your objects accurately. Make your programs more robust with intelligent exception handling and learn to assert that everything works as expected using JUnit5 as your testing framework. Impress your peers with an elegant functional programming style and clearcut objectoriented class design. Writing excellent code isnt just about implementing the functionality. Its about the small important details that make your code more readable maintainable flexible robust and faster. Java by Comparison teaches you to spot these details and trains you to become a better programmer. What You Need You need a Java 8 compiler a text editor and a fresh mind. Thats it.