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A Concise Introduction to Data Structures Using Java by Mark J. Johnson

By Mark J. Johnson

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Designed for a CS2 information buildings path, this article offers an intensive yet concise assessment of information constructions in addition to a gentle creation to Java. It makes use of a concise type and contains pseudocode and routines all through in order that scholars write code, instead of simply learn it. The e-book covers all the major components taught in CS2 classes, together with arrays, lists, stacks, queues, recursion, maps, and trees. Read more...

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Designed for a CS2 info constructions path, this article presents a radical yet concise assessment of information buildings in addition to a steady creation to Java. It makes use of a concise kind and comprises pseudocode and routines all through in order that scholars easy methods to write code, instead of simply learn it. The booklet covers all the major components taught in CS2 classes, together with arrays, lists, stacks, queues, recursion, maps, and bushes

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Extra resources for A Concise Introduction to Data Structures Using Java

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Println("Search for 100: linearSearch(data, 100)); } 9 10 11 12 13 14 15 16 { 19, 42, 6}; + " + } Declaring Array References The declaration: type[] arrayRef; declares arrayRef to be a reference to an array in which each variable has the specified type. 3. No actual array is created by declaring a variable with an array type. This is because array types are reference types, and so declaring an array type variable simply sets aside storage for this variable to eventually hold a reference to an actual array.

Inside of its own class definition, a static method may be called by simply providing the name of the method and its arguments: staticMethod(arguments) 1 They may be called from objects, but we will have no need to do that. 30 A Concise Introduction to Data Structures Using Java This syntax is used in the call to add() in line 34, where the sum of f1 and f2 is printed. Compare the add() and addOn() methods to help understand the difference between instance and static methods: addOn() is an instance method so must be called from a particular fraction.

This allows each class to manage its own objects by limiting other classes to using only publicly declared members. Declaring and Initializing Fields A field declaration is simply a variable declaration inside the body of a class that is not contained in the body of any method definition. 5 define the two fields num and den in the Fraction class. Fields are normally declared private so that other classes are forced to use public methods to access class or object data. Fields may be initialized at the time of declaration, or they may be assigned values by a constructor.

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