Rule Definition
String concatenation resolved at runtime is much slower than using StringBuilder.
Remediation
Use StringBuilder and StringBuilder.Append() method instead
Violation Code Sample
// C# sample
String result = "hello";
result += " John";
result += " Smith"; // VIOLATION if the threshold is 3
Fixed Code Sample
// C# sample
StringBuilder result = new StringBuilder("hello");
result.Append( " John");
result.Append( " Smith");
Related Technologies
.Net
Technical Criterion
Efficiency - Memory, Network and Disk Space Management
About CAST Appmarq
CAST Appmarq is by far the biggest repository of data about real IT systems. It's built on thousands of analyzed applications, made of 35 different technologies, by over 300 business organizations across major verticals. It provides IT Leaders with factual key analytics to let them know if their applications are on track.