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Tip: How to Declare a Pattern in Java

Explore the best way to declare a pattern in Java.


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The best way to declare a Pattern in Java is as a constant, since Pattern is immutable.

Use the following code:

private static final Pattern PATTERN = Pattern.compile(" +");

Further, use PATTERN where it is needed.

 

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Octavia Andreea Anghel is a senior PHP developer currently working as a primary trainer for programming teams that participate at national and international software-development contests. She consults on developing educational projects at a national level. She is a coauthor of the book "XML Technologies--XML in Java" (Albastra, ISBN 978-973-650-210-1), for which she wrote the XML portions. In addition to PHP and XML, she's interested in software architecture, web services, UML, and high-performance unit tests.
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