39 lines
1.0 KiB
Plaintext
39 lines
1.0 KiB
Plaintext
== Why is this an issue?
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"Boxing" is the process of putting a primitive value into a primitive-wrapper object. When that's done purely to use the wrapper class' ``++toString++`` method, it's a waste of memory and cycles because those methods are ``++static++``, and can therefore be used without a class instance. Similarly, using the ``++static++`` method ``++valueOf++`` in the primitive-wrapper classes with a non-``++String++`` argument should be avoided.
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=== Noncompliant code example
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[source,java]
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----
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int myInt = 4;
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String myIntString = (new Integer(myInt)).toString(); // Noncompliant; creates & discards an Integer object
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myIntString = Integer.valueOf(myInt).toString(); // Noncompliant
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----
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=== Compliant solution
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[source,java]
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----
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int myInt = 4;
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String myIntString = Integer.toString(myInt);
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----
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ifdef::env-github,rspecator-view[]
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'''
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== Implementation Specification
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(visible only on this page)
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include::message.adoc[]
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'''
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== Comments And Links
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(visible only on this page)
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include::comments-and-links.adoc[]
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endif::env-github,rspecator-view[]
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