rspec/rules/S3027/java/rule.adoc
2021-04-28 16:49:39 +02:00

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An ``++indexOf++`` or ``++lastIndexOf++`` call with a single letter ``++String++`` can be made more performant by switching to a call with a ``++char++`` argument.
== Noncompliant Code Example
----
String myStr = "Hello World";
// ...
int pos = myStr.indexOf("W"); // Noncompliant
// ...
int otherPos = myStr.lastIndexOf("r"); // Noncompliant
// ...
----
== Compliant Solution
----
String myStr = "Hello World";
// ...
int pos = myStr.indexOf('W');
// ...
int otherPos = myStr.lastIndexOf('r');
// ...
----