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Call to 'String.concat()' can be replaced with '+'

Reports calls to java.lang.String.concat().

Such calls can be replaced with the + operator for clarity and possible increased performance if the method was invoked on a constant with a constant argument.

Example:

String foo(String name) { return name.concat("foo"); }
String foo(String name) { return name + "foo"; }

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin:

Java, 241.14841

Last modified: 12 March 2024