"Java By Doing: Programming Through Practical Projects" provides a hands-on approach to Java programming, avoiding complex theory in favor of creating practical console programs. Each project is geared to explain and reinforce certain Java ideas, ranging from fundamental exercises like "Hello, World!" to more complex ones. The book focuses on real-world applications, progressive learning, and critical debugging abilities. By the end, readers will not only grasp Java, but will also think, develop, and solve problems like skilled Java programmers. A must-read for both new and experienced programmers.