2023-05-03 11:06:20 +02:00
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== Why is this an issue?
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2021-04-28 16:49:39 +02:00
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There is no need to declare a type parameter when naming a type constraint is not required. Using wildcards makes it easier to read.
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2021-04-28 18:08:03 +02:00
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2023-05-03 11:06:20 +02:00
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=== Noncompliant code example
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2021-04-28 16:49:39 +02:00
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2022-02-04 17:28:24 +01:00
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[source,java]
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2021-04-28 16:49:39 +02:00
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----
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<T extends MyClass> void foo(List<T> list) { // Noncompliant, T is used only once
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for (MyClass myObj : list) {
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doSomething(myObj);
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}
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}
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----
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2021-04-28 18:08:03 +02:00
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2023-05-03 11:06:20 +02:00
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=== Compliant solution
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2021-04-28 16:49:39 +02:00
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2022-02-04 17:28:24 +01:00
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[source,java]
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2021-04-28 16:49:39 +02:00
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----
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void foo(List<? extends MyClass> list) {
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for (MyClass myObj : list) {
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doSomething(myObj);
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}
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}
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----
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2021-04-28 18:08:03 +02:00
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2021-09-20 15:38:42 +02:00
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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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2023-05-25 14:18:12 +02:00
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=== Message
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Remove this type parameter and use a wildcard instead
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=== Highlighting
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Type parameter declaration
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2021-09-20 15:38:42 +02:00
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endif::env-github,rspecator-view[]
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