William Collins's Data Structures and the Java Collections Framework (3rd PDF


By William Collins

Supplying scholars and teachers a realistic method of application layout, trying out and implementation, this article makes use of the Java Collections Framework, a part of the java.util package deal, as a platform to increase higher-level purposes. This up-to-date 3rd version beneficial properties an elevated emphasis on trying out. The unit trying out positive aspects of JUnit4 ? with the test-first version ? are brought early, in bankruptcy 2, and built-in in purposes through the ultimate chapters. moreover, there's abundant chance for hands-on perform, together with 23 lab experiments, 1000's of programming workouts and greater than 30 programming initiatives.

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Additional resources for Data Structures and the Java Collections Framework (3rd Edition)

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4. Be able to create class diagrams in the Unified Modeling Language. 1 Data Abstraction A user of a class concentrates on the class’s method specifications, that is, what a class provides. A developer of a class, on the other hand, focuses on the class’s fields and method definitions, that is, how the class is defined. This separation—called data abstraction —of what from how is an essential feature of object-oriented programming. For example, programmers who use the String class will not care about the fields that represent a string or how the methods are defined.

The actual javadoc comment block includes several html tags:


, and . And if you viewed the description of that method from a browser—that is, after the javadoc program had been executed for the String class—you would see the comments in an easier-to-read format. 2 Classes * * 7 @return the substring of this String object from indexes beginIndex (inclusive) to endIndex (exclusive). you would see Returns: the substring of this String object from indexes beginIndex (inclusive) to endIndex (exclusive).

3 Using the FullTimeEmployee Class As an example of how to use the FullTimeEmployee class, we can find the best-paid of the full-time employees in a company. in. For convenience, the following Company class includes a main method. For the sake of an object orientation, that main method simply invokes the Company class’s run method on a newly constructed Company instance; all of the main methods from here on will be one-liners. The run method calls a findBestPaid method to return the best-paid full-time employee, or null if there were no employees scanned in.

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Data Structures and the Java Collections Framework (3rd Edition) by William Collins

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