Hashing
... • Only a small fraction of these keys will actually occur • Conceptually, a very large array, with very few cells occupied. • We need a better way ...
... • Only a small fraction of these keys will actually occur • Conceptually, a very large array, with very few cells occupied. • We need a better way ...
Building Fast Concurrent Data Structures through Data
... the most important performance aspects of application development [10]. When the selection of the best data structure in sequential code is already difficult for expert programmers, then choosing the best available concurrent data structure in parallel codes poses a challenge to performance and corr ...
... the most important performance aspects of application development [10]. When the selection of the best data structure in sequential code is already difficult for expert programmers, then choosing the best available concurrent data structure in parallel codes poses a challenge to performance and corr ...
Sets, Maps and Hash tables
... • What we store in each position in the array is not the objects themselves, but a linked list of objects • Objects with the same hash code h are stored in the linked list in position h • With a good hash function, the average length of non-empty lists is less than 2 ...
... • What we store in each position in the array is not the objects themselves, but a linked list of objects • Objects with the same hash code h are stored in the linked list in position h • With a good hash function, the average length of non-empty lists is less than 2 ...
Document
... • A client should only be able to access the data structure by using the ADT operations • An object encapsulates both data and operations on that data – In Java, objects are instances of a class, which is a programmer-defined data type ...
... • A client should only be able to access the data structure by using the ADT operations • An object encapsulates both data and operations on that data – In Java, objects are instances of a class, which is a programmer-defined data type ...
Separate Classes for Event Handling
... o Instead of passing this to the addActionListener method, we construct a new object of that event handling class and pass it instead. When the button is pressed, an actionPerformed message will be sent to that object instead of the application. To illustrate that, we rewrite the above example using ...
... o Instead of passing this to the addActionListener method, we construct a new object of that event handling class and pass it instead. When the button is pressed, an actionPerformed message will be sent to that object instead of the application. To illustrate that, we rewrite the above example using ...
Oracle`s Business Strategy: Maximizing Your Sales Leverage
... • Implementing the MOS Algorithm II CACM92 , and Amjad M Daoud Ph.D. Thesis 1993 at VT • An example mphf in C for the unix dictionary. • The code ported to Python; download as http://iswsa.acm.org/mphf/mphf.py. For the javascript port: download as http://iswsa.acm.org/mphf/mphf.js • The algorithm is ...
... • Implementing the MOS Algorithm II CACM92 , and Amjad M Daoud Ph.D. Thesis 1993 at VT • An example mphf in C for the unix dictionary. • The code ported to Python; download as http://iswsa.acm.org/mphf/mphf.py. For the javascript port: download as http://iswsa.acm.org/mphf/mphf.js • The algorithm is ...
Queues, and Deques
... The Java Collections Framework includes its own definition of a deque, as the java.util.Deque interface The Java Collections Framework also includes several implementations of the interface including: ...
... The Java Collections Framework includes its own definition of a deque, as the java.util.Deque interface The Java Collections Framework also includes several implementations of the interface including: ...
Chapter 1
... • Portable means that a program may be written on one type of computer and then run on a wide variety of computers, with little or no modification. • Java byte code runs on the JVM and not on any particular CPU; therefore, compiled Java programs are highly portable. • JVMs exist on many platforms: • ...
... • Portable means that a program may be written on one type of computer and then run on a wide variety of computers, with little or no modification. • Java byte code runs on the JVM and not on any particular CPU; therefore, compiled Java programs are highly portable. • JVMs exist on many platforms: • ...
Chapter 1: Introduction to Computers and Java
... • Portable means that a program may be written on one type of computer and then run on a wide variety of computers, with little or no modification. • Java byte code runs on the JVM and not on any particular CPU; therefore, compiled Java programs are highly portable. • JVMs exist on many platforms: • ...
... • Portable means that a program may be written on one type of computer and then run on a wide variety of computers, with little or no modification. • Java byte code runs on the JVM and not on any particular CPU; therefore, compiled Java programs are highly portable. • JVMs exist on many platforms: • ...
B+ Tree Comparisons
... resource in a shared environment. A lock is designed to enforce mutual exclusion (only one thread may acquire a lock and enter the critical section) While locks may seem a good solution at first, it quickly becomes apparent that they have many drawbacks. For instance, having too few locks in a data ...
... resource in a shared environment. A lock is designed to enforce mutual exclusion (only one thread may acquire a lock and enter the critical section) While locks may seem a good solution at first, it quickly becomes apparent that they have many drawbacks. For instance, having too few locks in a data ...
Elements of Programming Languages Overview Advanced
... Motivating inner class example A nested/inner class has access to the private/protected members of the containing class So, we can use nested classes to expose an interface associated with a specific object: class List { private A head; private List tail; class ListIterator implements Itera ...
... Motivating inner class example A nested/inner class has access to the private/protected members of the containing class So, we can use nested classes to expose an interface associated with a specific object: class List { private A head; private List tail; class ListIterator implements Itera ...
arrays
... VI. Import Statement Java's Arrays class is in the "utilities" package, so you must do: import java.util.Arrays ; import java.util.* ; ...
... VI. Import Statement Java's Arrays class is in the "utilities" package, so you must do: import java.util.Arrays ; import java.util.* ; ...
JSP - Softsmith
... to any particular method – Caution: Servlets are multithreaded, so nonlocal variables must be handled with extreme care – If declared with <% ... %>, variables are local and OK – Data can also safely be put in the request or session objects • Example: <%! private int accessCount = 0; %> Accesses to ...
... to any particular method – Caution: Servlets are multithreaded, so nonlocal variables must be handled with extreme care – If declared with <% ... %>, variables are local and OK – Data can also safely be put in the request or session objects • Example: <%! private int accessCount = 0; %> Accesses to ...
FinalRevision File - Dr. Manal Helal Moodle Site
... D) Overloading a method is to provide more than one method with the same name but with different signatures to distinguish them. E) It is a compilation error if two methods differ only in return type in the same class. ...
... D) Overloading a method is to provide more than one method with the same name but with different signatures to distinguish them. E) It is a compilation error if two methods differ only in return type in the same class. ...
Chapter 12
... with the details of the data structure in which they may be stored • For example, the Student class should not have to store a link to the next Student object in the list • Instead, we can use a separate node class with two parts: 1) a reference to an independent object and 2) a link to the next nod ...
... with the details of the data structure in which they may be stored • For example, the Student class should not have to store a link to the next Student object in the list • Instead, we can use a separate node class with two parts: 1) a reference to an independent object and 2) a link to the next nod ...
The Pigeonhole Principle and Hashing
... search algorithm; but generally it is faster to try to index directly into an array. Example 1 (natural, numeric keys): Suppose we are running a club and want to store data (e.g., telephone number, address, etc.) for each of the members. If we assign membership numbers in the range [0]..[N-1] to eac ...
... search algorithm; but generally it is faster to try to index directly into an array. Example 1 (natural, numeric keys): Suppose we are running a club and want to store data (e.g., telephone number, address, etc.) for each of the members. If we assign membership numbers in the range [0]..[N-1] to eac ...
ColdFusion MX - Villanova University
... similar to HTML, that uses special tags and functions. • CFML looks similar to HTML--it includes starting and, in most cases, ending tags, and each tag is enclosed in angle brackets. All ending tags are preceded with a forward slash (/) and all tag names are preceded with cf; for example:
... similar to HTML, that uses special tags and functions. • CFML looks similar to HTML--it includes starting and, in most cases, ending tags, and each tag is enclosed in angle brackets. All ending tags are preceded with a forward slash (/) and all tag names are preceded with cf; for example:
Collections
... • A collection is an object that serves as a repository for other objects • A collection usually provides services such as adding, removing, and otherwise managing the elements it contains • Sometimes the elements in a collection are ordered, sometimes they are not • Sometimes collections are homoge ...
... • A collection is an object that serves as a repository for other objects • A collection usually provides services such as adding, removing, and otherwise managing the elements it contains • Sometimes the elements in a collection are ordered, sometimes they are not • Sometimes collections are homoge ...
Document
... However, it obtains shared locks before reading values and then immediately releases them; their effect is to ensure that the transaction that last modified the values is complete. Thus, 1. T reads only the changes made by committed transactions. 2. No value written by T is changed by any other tran ...
... However, it obtains shared locks before reading values and then immediately releases them; their effect is to ensure that the transaction that last modified the values is complete. Thus, 1. T reads only the changes made by committed transactions. 2. No value written by T is changed by any other tran ...