The Iterator Pattern can be used in our applications to abstract the way we access items from a data structure. For example, let's suppose we need to retrieve all the items that are greater than 4 from the foll
Iterator Pattern Decorator Pattern Adapter Pattern Factory Pattern Strategy Pattern Composite Pattern in ASP.NET Template Method Pattern Patterns in the ASP.NET Pipeline Intercepting Filter Pattern Page Controller Pattern Other Web Presentation Patterns in ASP.NET Conclusion Recently, Microsoft has placed inc...
Iterator is a behavioral design pattern in which you use an iterator to enumerate the elements of the container, i.e. the collection, in a sequential manner. Behavioral design patterns are those that manage object collaboration and the delegation of responsibilities among objects....
Using and Abusing the Iterator Pattern Iterators in the Wild Wrapping Up ⎙ Print Page 1 of 7 Next > Russ Olsen explores the Iterator pattern, a technique that allows an aggregate object to provide the outside world with a way to access its collection of sub-objects. This chapter...
JAVA正则表达式 正则表达式是JDK 1.4的新功能,但是对sed和awk这样的Unix的标准实用工具,以及Python,Perl之类的语言来讲,它早就已经成为其不可或缺的组成部分了(有人甚至认为,它还是Perl能大获成功的最主要的原因)。单从技术角度来讲,正则表达式只是一种处理字符串的工具(过去Java这个任务是交由String,StringBuffer...
aYou’ve also already seen another pattern that appears in Design Patterns: the iterator (Java 1.0 and 1.1 capriciously calls it the Enumeration; Java 2 containers use “iterator”). This hides the particular implementation of the container as you’re stepping through and selecting the elements ...
Iterator Pattern Many programming tasks involve manipulating collections of objects. Whether these collections are simple lists or something more complex such as binary trees, you'll often need some way to get access to each object in the collection. In fact, depending on the c...
Looking forward to appear in Java Interview, here are the key Java Interview Questions with Answers only for you. - aatul/Java-Interview-Questions-Answers
Often, the way to write fast code in Java applications is to write dumb code -- code that is straightforward, clean, and follows the most obvious object-oriented principles. This has to do with the nature of dynamic compilers, which are big pattern-matching engines. Because compilers are ...
Java 1.2 introduced the standard collection classes (List, Set, Map), and the Iterator. Iterator brings the Iterator design pattern, which is a common behavioral pattern used to access the elements of a collection object in sequential manner without any need to know its underlying representation....