"An Introduction to Object-Oriented Programming with Java" gives an accessible and technically thorough introduction to the basics of programming using Java. The fourth model continues to take a really object-oriented technique. Objects are used early so that school college students assume in objects correct from the beginning. Inside the fourth model, the protection on defining programs has been made additional accessible. The material has been broken down into smaller chunks and spread over two chapters, making it additional scholar-nice. Moreover, new to this model is the incorporation of Java 1.5 choices, collectively with use of the Scanner Class and the Formatter Class. The hallmark perform of the book, Sample Enchancment Packages, are continued on this model. These current school college students with an opportunity to incrementally, step-by-step, stroll by means of program design, learning the fundamentals of software engineering. Object diagrams, using a subset of UML, moreover proceed to be an important facet of Wu's technique. The fixed, seen technique assists school college students in understanding concepts.