java Programming Glossary: pattern
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array you guess the same... In other words you try to identify a pattern and follow it. This is more or less how branch predictors work... faced with unpredictable branches with no recognizable patterns branch predictors are virtually useless. Further Reading Branch_predictor..
How to round a number to n decimal places in Java http://stackoverflow.com/questions/153724/how-to-round-a-number-to-n-decimal-places-in-java
What is the difference between JSF, Servlet and JSP? http://stackoverflow.com/questions/2095397/what-is-the-difference-between-jsf-servlet-and-jsp configure HttpServlet s to listen on a certain HTTP URL pattern which is configureable in web.xml or more recently with Java.. every incoming request whose URL matches the servlet's URL pattern. You can access the request data by HttpServletRequest and handle..
GUI not working after rewriting to MVC http://stackoverflow.com/questions/3066590/gui-not-working-after-rewriting-to-mvc question As you've discovered the Model “View “Controller pattern is no panacea but it offers some advantages. Rooted in MVC the.. . Addendum As @akf observes MVC hinges on the observer pattern . Your Model needs a way to notify the View of changes. Several..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading the already created Filter and Servlet instances whose url pattern matches the request URL all in the same thread. The request..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files spirit of adopting the model view controller MVC design pattern to reduce coupling between the presentation tier from the business.. just continue request. When mapped on an appropriate url pattern covering the JSP pages of interest then you don't need to copypaste.. piece to web.xml jsp config jsp property group url pattern .jsp url pattern scripting invalid true scripting invalid jsp..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications web based domain.I needed your advice regarding the design patterns like how responsibility should be distributed among Servlets.. choosing the best design.Also any pointer to a good design pattern material will be welcome. java design patterns jsp servlets.. good design pattern material will be welcome. java design patterns jsp servlets share improve this question A bit decent web..
Generating random numbers in a range with Java http://stackoverflow.com/questions/363681/generating-random-numbers-in-a-range-with-java range random share improve this question One standard pattern for accomplishing this is Min int Math.random Max Min 1 The..
How to use Servlets and Ajax? http://stackoverflow.com/questions/4112686/how-to-use-servlets-and-ajax servlet mapping servlet name someservlet servlet name url pattern someservlet url pattern servlet mapping Or when you're already.. name someservlet servlet name url pattern someservlet url pattern servlet mapping Or when you're already on a Servlet 3.0 compatible..
What is an efficient way to implement a singleton pattern in Java? http://stackoverflow.com/questions/70689/what-is-an-efficient-way-to-implement-a-singleton-pattern-in-java is an efficient way to implement a singleton pattern in Java What is an efficient way to implement a singleton pattern.. in Java What is an efficient way to implement a singleton pattern in Java java design patterns singleton patterns share improve.. way to implement a singleton pattern in Java java design patterns singleton patterns share improve this question Use an enum..
Converting Symbols, Accent Letters to English Alphabet http://stackoverflow.com/questions/1008802/converting-symbols-accent-letters-to-english-alphabet import java.text.Normalizer import java.util.regex.Pattern public String deAccent String str String nfdNormalizedString.. Normalizer.normalize str Normalizer.Form.NFD Pattern pattern Pattern.compile p InCombiningDiacriticalMarks return.. str Normalizer.Form.NFD Pattern pattern Pattern.compile p InCombiningDiacriticalMarks return pattern.matcher..
Singleton Design Pattern: Pitfalls http://stackoverflow.com/questions/1448393/singleton-design-pattern-pitfalls Design Pattern Pitfalls Currently I have been very interested in this design..
? ǹ ? ñ á¹?? á¹?á¹?á¹?? ɲ ? á¶?ɳ ȵ --> n or Remove diacritical marks from Unicode chars http://stackoverflow.com/questions/1453171/n-n-n-or-remove-diacritical-marks-from-unicode-cha I have done this recently in Java public static final Pattern DIACRITICS_AND_FRIENDS Pattern.compile p InCombiningDiacriticalMarks.. in Java public static final Pattern DIACRITICS_AND_FRIENDS Pattern.compile p InCombiningDiacriticalMarks p IsLm p IsSk private.. info unicode category Lm list.htm public static final Pattern DIACRITICS_AND_FRIENDS Pattern.compile p InCombiningDiacriticalMarks..
Regular expresion to match URLs in Java http://stackoverflow.com/questions/163360/regular-expresion-to-match-urls-in-java private static boolean IsMatch String s String pattern try Pattern patt Pattern.compile pattern Matcher matcher patt.matcher s.. boolean IsMatch String s String pattern try Pattern patt Pattern.compile pattern Matcher matcher patt.matcher s return matcher.matches..
How can i handle it with scanner (java)? http://stackoverflow.com/questions/2080403/how-can-i-handle-it-with-scanner-java Scanner scanner new Scanner i 1.txt scanner.useDelimiter Pattern words Pattern.compile RFID BLUID WifiID just separate patterns.. new Scanner i 1.txt scanner.useDelimiter Pattern words Pattern.compile RFID BLUID WifiID just separate patterns with while.. scanner and just use a BufferedReader and a couple of Pattern objects as that method is more flexible for what you want to..
Using Regular Expressions to Extract a Value in Java http://stackoverflow.com/questions/237061/using-regular-expressions-to-extract-a-value-in-java this question From memory the following should work Pattern p Pattern.compile ^ a zA Z 0 9 . Matcher m p.matcher Testing123Testing.. question From memory the following should work Pattern p Pattern.compile ^ a zA Z 0 9 . Matcher m p.matcher Testing123Testing..
Is there a way to split strings with String.split() and include the delimiters? http://stackoverflow.com/questions/275768/is-there-a-way-to-split-strings-with-string-split-and-include-the-delimiters public class Splitter private static final Pattern DEFAULT_PATTERN Pattern.compile s private Pattern pattern private.. Splitter private static final Pattern DEFAULT_PATTERN Pattern.compile s private Pattern pattern private boolean keep_delimiters.. final Pattern DEFAULT_PATTERN Pattern.compile s private Pattern pattern private boolean keep_delimiters public Splitter Pattern..
Validating input using java.util.Scanner http://stackoverflow.com/questions/3059333/validating-input-using-java-util-scanner Regular expression based hasNext String pattern hasNext Pattern pattern is the Pattern.compile overload Scanner is capable of.. hasNext String pattern hasNext Pattern pattern is the Pattern.compile overload Scanner is capable of more enabled by the fact.. constructed from the specified string. java.util.regex.Pattern Related questions Reading a single char in Java References Java..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files implement a servlet according the MVC's Front Controller Pattern . E.g. protected void service HttpServletRequest request HttpServletResponse..
What's wrong with overridable method calls in constructors? http://stackoverflow.com/questions/3404301/whats-wrong-with-overridable-method-calls-in-constructors online Related questions When would you use the Builder Pattern Is this a well known design pattern What is its name share..
Regex Named Groups in Java http://stackoverflow.com/questions/415580/regex-named-groups-in-java extract from the implementation public final class Pattern implements java.io.Serializable ... Parses a group and returns..
Unicode equivalents for \w and \b in Java regular expressions? http://stackoverflow.com/questions/4304928/unicode-equivalents-for-w-and-b-in-java-regular-expressions I discuss below is available here . UPDATE Sun ™s updated Pattern class for JDK7 has a marvelous new flag UNICODE_CHARACTER_CLASS.. convenience methods that handle turning around and calling Pattern.compile or String.matches or whatnot for you For production..
How to pass a function as a parameter in Java? http://stackoverflow.com/questions/4685563/how-to-pass-a-function-as-a-parameter-in-java func return func.call This pattern is known as the Command Pattern . Keep in mind you would be best off creating an interface for..
Regular expression with variable number of groups? http://stackoverflow.com/questions/5018487/regular-expression-with-variable-number-of-groups number of groups After running this for instance... Pattern p Pattern.compile ab cd ef Matcher m p.matcher abcddcef m.matches.. of groups After running this for instance... Pattern p Pattern.compile ab cd ef Matcher m p.matcher abcddcef m.matches .....
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