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OnJava8-Examples/generics/SuperTypeWildcards.java at master · CSapprenticeWT/OnJava8-Examples · GitHub
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SuperTypeWildcards.java
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// generics/SuperTypeWildcards.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
import
java
.
util
.*;
public
class
SuperTypeWildcards
{
static
void
writeTo
(
List
<?
super
Apple
>
apples
) {
apples
.
add
(
new
Apple
());
apples
.
add
(
new
Jonathan
());
// apples.add(new Fruit()); // Error
}
}
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