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Product typeBook
Published inMar 2024
PublisherPackt
ISBN-139781837633944
Edition2nd Edition
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Anghel Leonard
Anghel Leonard
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Anghel Leonard

Anghel Leonard is a Chief Technology Strategist and independent consultant with 20+ years of experience in the Java ecosystem. In daily work, he is focused on architecting and developing Java distributed applications that empower robust architectures, clean code, and high-performance. Also passionate about coaching, mentoring and technical leadership. He is the author of several books, videos and dozens of articles related to Java technologies.
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8. Formatting text blocks with variables/expressions

In Java, it is a common practice to format string literals with variables/expressions to obtain dynamic strings. For instance, we can create a dynamic piece of XML string via the following well-known concatenation:

String fn = "Jo";
String ln = "Kym";
String str = "<user><firstName>" + fn
  + "</firstName><lastName>" + ln + "</lastName></user>";
// output
<user><firstName>Jo</firstName><lastName>Kym</lastName></user>

Of course, this tiny construction has serious issues from a readability perspective. XML code is human-readable if it is formatted and indented accordingly; otherwise, is really hard to follow its hierarchy. So, can we express this XML to look like the following figure?

Figure 1.6.png

Figure 1.6: Formatted XML

Sure we can! By using some escape sequences (for instance, \n, \t, and \s)...

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Java Coding Problems - Second Edition
Published in: Mar 2024Publisher: PacktISBN-13: 9781837633944

Author (1)

author image
Anghel Leonard

Anghel Leonard is a Chief Technology Strategist and independent consultant with 20+ years of experience in the Java ecosystem. In daily work, he is focused on architecting and developing Java distributed applications that empower robust architectures, clean code, and high-performance. Also passionate about coaching, mentoring and technical leadership. He is the author of several books, videos and dozens of articles related to Java technologies.
Read more about Anghel Leonard