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CSI33 Data Structures
CSI33 Data Structures

... The class LList, an Abstract Data Type which will provide the necessary interface operations for its objects to behave like lists will be ListNode’s Only “customer”. Since no other class will use ListNode objects, we don’t provide public accessors or mutators (get item, get link, set item, set link) ...
17 - Arizona Computer Science
17 - Arizona Computer Science

... structure known as a singly linked structure. The collection class that implements ADT OurList along with its methods and linked structure is known as a linked list. This OurLinkedList class uses an inner Node class with two additional constructors (their use will be shown later). It also needs the ...
Chapter 17 - University of Arizona
Chapter 17 - University of Arizona

... precisely one link from every node, this is a singly linked structure. (Other linked structures have more than one link to other nodes.) A search for an element begins at the node referenced by the external reference first. The second node can be reached through the link from the first node. Any nod ...
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... • Error: stack will have two elements when we encounter equal (=) sign ...
Data structure - IndiaStudyChannel.com
Data structure - IndiaStudyChannel.com

... Data structure In computer science, a data structure is a way of storing data in a computer so that it can be used efficiently. Often a carefully chosen data structure will allow the most efficient algorithm to be used. The choice of the data structure often begins from the choice of an abstract dat ...
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public boolean - Pitt Computer Science
public boolean - Pitt Computer Science

... There are several reasons for this, from both the implementation (i.e. how to do it in the compiler and interpreter) point of view and the programmer (i.e. how to use it effectively) point of view However, it is sometimes useful to be able to access an object through more than one ...
List ADT
List ADT

... remove(x) – removes x from the list if present insert(x, position) – inserts x into the list at the specified position isEmpty( ) – returns true if the list has no elements makeEmpty( ) – removes all elements from the list findKth(int k) – returns the element in the specified position ...
Skip Lifts: A Probabilistic Alternative to Red
Skip Lifts: A Probabilistic Alternative to Red

JavaHTP6e_19
JavaHTP6e_19

...  2005 Pearson Education, Inc. All rights reserved. ...
Ques 2:Which of the following: singly-linked list or doubly
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An Introduction to the C Programming Language and Software Design
An Introduction to the C Programming Language and Software Design

... The native language of a computer is binary—ones and zeros—and all instructions and data must be provided to it in this form. Native binary code is called machine language. The earliest digital electronic computers were programmed directly in binary, typically via punched cards, plug-boards, or fron ...
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... classes extend the Object class because there are several things that all objects must be capable of in order to work with Java's runtime system. For example, Object’s constructor gets invoked for every object construction to help allocate computer memory for the object at runtime. The class also ha ...
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Introduction to Data Structure
Introduction to Data Structure

...  Two dimensional arrays are also called table or matrix, two dimensional arrays have two subscripts  Two dimensional array in which elements are stored column by column is called as column major matrix  Two dimensional array in which elements are stored row by row is called as row major matrix  ...
Indexing and Index Tuning
Indexing and Index Tuning

Functional data structures and algorithms - Milan Straka
Functional data structures and algorithms - Milan Straka

... Interestingly, data structures used in purely functional programs do not necessarily need to be implemented in a purely functional way. It is sufficient for a structure to behave as if it was never modified, even though the implementation may utilize assignments and modify existing values. This leads t ...
Dictionary Data Structures
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... A simple implementation for the priority queues is a 1-Level Bucket. This priority queue implementation consists of an array of C + 1 buckets, each of which is the first link in a linked list of elements. With the array we associate the three numbers minValue, minPos, and n: minValue denotes the sma ...
Queues, and Deques
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... One extra concern is avoiding use of negative values with the modulo operator. When removing the first element, the front index is advanced in circular fashion, with the assignment f = (f+1) % N. But when an element is inserted at the front, the first index must effectively be decremented in circula ...
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... • Bag in which data items are Comparable • Smaller elements (determined by compareTo()) have higher priority • remove() return the element with the highest priority = least element in the compareTo() ordering ...
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... • An Iterator is an object that enables you to traverse through a collection and to remove elements from the collection selectively, if desired. • You get an Iterator for a collection by calling the collection’s iterator method. • Suppose collection is an instance of a Collection. Then to print out ...
Inverted Indexes for Phrases and Strings∗
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... term we maintain a list, called inverted list, of all the documents in which this word appears. Along with each document in this list we may store some score which indicates how important the document is with respect to that word. Different variants of the inverted index sort the documents in the in ...
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... deque is implemented either using a circular array or a circular doubly linked list. In a deque, two pointers are maintained, LEFT and RIGHT which points to either end of the deque. The elements in a deque stretch from LEFT end to the the RIGHT and since it is circular, Dequeue[N-1] is followed by D ...
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Array data structure

In computer science, an array data structure or simply an array is a data structure consisting of a collection of elements (values or variables), each identified by at least one array index or key. An array is stored so that the position of each element can be computed from its index tuple by a mathematical formula. The simplest type of data structure is a linear array, also called one-dimensional array.For example, an array of 10 32-bit integer variables, with indices 0 through 9, may be stored as 10 words at memory addresses 2000, 2004, 2008, ... 2036, so that the element with index i has the address 2000 + 4 × i.Because the mathematical concept of a matrix can be represented as a two-dimensional grid, two-dimensional arrays are also sometimes called matrices. In some cases the term ""vector"" is used in computing to refer to an array, although tuples rather than vectors are more correctly the mathematical equivalent. Arrays are often used to implement tables, especially lookup tables; the word table is sometimes used as a synonym of array.Arrays are among the oldest and most important data structures, and are used by almost every program. They are also used to implement many other data structures, such as lists and strings. They effectively exploit the addressing logic of computers. In most modern computers and many external storage devices, the memory is a one-dimensional array of words, whose indices are their addresses. Processors, especially vector processors, are often optimized for array operations.Arrays are useful mostly because the element indices can be computed at run time. Among other things, this feature allows a single iterative statement to process arbitrarily many elements of an array. For that reason, the elements of an array data structure are required to have the same size and should use the same data representation. The set of valid index tuples and the addresses of the elements (and hence the element addressing formula) are usually, but not always, fixed while the array is in use.The term array is often used to mean array data type, a kind of data type provided by most high-level programming languages that consists of a collection of values or variables that can be selected by one or more indices computed at run-time. Array types are often implemented by array structures; however, in some languages they may be implemented by hash tables, linked lists, search trees, or other data structures.The term is also used, especially in the description of algorithms, to mean associative array or ""abstract array"", a theoretical computer science model (an abstract data type or ADT) intended to capture the essential properties of arrays.
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