The updated and revised Object-Oriented Data Structures Using Java, Fourth Edition is an essential resource for students learning data structures using the Java programming language. It presents traditional data structures and object-oriented topics with an emphasis on problem-solving, theory, and software engineering principles. Beginning early and continuing throughout the text, it introduces and expands upon the use of many Java features including packages, interfaces, abstract classes, inheritance, and exceptions. Numerous case studies provide readers with real-world examples and demonstrate possible solutions to interesting problems. The lucid writing style guides readers through the rigor of standard data structures and presents essential concepts from logical, applications, and implementation levels.