<p>This new edition demonstrates a modeling-based approach to object-oriented development. It is a significant and comprehensive revision of the book. While the central focus remains the same as in previous editions, the reader will notice substantial improvements in the presentation.</p><p><em>Salient features</em></p><ul> <li>All expected background materials are now in one chapter, making it easier for both the teacher and the learner.</li> <li>The treatment of modeling concepts and UML diagrams is both broader and&#xa0;deeper.</li> <li>Securing the software is considered in the design and implementation phases.</li> <li>The design is evaluated for bad smells, which are corrected by refactoring.</li> <li>Implementation is carried out in both JavaFX and Swing.</li> <li>Software reuse is dealt with in much greater depth. The role of substitutability is examined and explained in this context.</li> <li>Comparison of the finite state machine and use case models is provided.</li> <li>A procedure to assist readers in analysis and design using the finite state machine model is included.</li></ul>