37 lines
672 B
Plaintext
37 lines
672 B
Plaintext
Assembling a ``++StringBuilder++`` or ``++StringBuffer++`` into a ``++String++`` merely to see if it's empty is a waste of cycles. Instead, jump right to the heart of the matter and get its ``++.length()++`` instead.
|
|
|
|
|
|
== Noncompliant Code Example
|
|
|
|
[source,java]
|
|
----
|
|
StringBuilder sb = new StringBuilder();
|
|
// ...
|
|
if ("".equals(sb.toString()) { // Noncompliant
|
|
// ...
|
|
}
|
|
----
|
|
|
|
|
|
== Compliant Solution
|
|
|
|
[source,java]
|
|
----
|
|
StringBuilder sb = new StringBuilder();
|
|
// ...
|
|
if (sb.length() == 0) {
|
|
// ...
|
|
}
|
|
----
|
|
|
|
|
|
ifdef::env-github,rspecator-view[]
|
|
|
|
'''
|
|
== Implementation Specification
|
|
(visible only on this page)
|
|
|
|
include::message.adoc[]
|
|
|
|
endif::env-github,rspecator-view[]
|