ChristianPervoelz opened a new issue #3803:
URL: https://github.com/apache/netbeans/issues/3803
### Apache NetBeans version
Apache NetBeans 13
### What happened
It was tried to write a simple loop using iterators on a collection.
Typing _forc_ followed by the tab key should expand to
```
for (Iterator<E> iterator = c.iterator(); iterator.hasNext();) {
E next = iterator.next();
}
```
but actually let NetBeans hang up.
Even several minutes of waiting does not clean up the situation.
### How to reproduce
1. Create a class with a single method like this: (the type of modifiers do
not matter)
```
public class MyClass<E> {
public boolean aMethod(Collection<? extends E> c) {
}
}
```
2. Type `forc` into the method block and press the tab key.
NetBeans will hang now.
**Note**
This happens only if `? extends E` is used.
The same method, but using `Collection<E>` as parameter only will cause no
problems.
### Did this work correctly in an earlier version?
Apache NetBeans 12.4
### Operating System
Windows 11
### JDK
OpenJDK 16
### Apache NetBeans packaging
Apache NetBeans provided installer
### Anything else
Issues is reproducible constantly.
I don't know for sure in which version this problem occurred first or in
which version it worked last, but I'm pretty sure it has been working properly
in 12.4 at least.
### Are you willing to submit a pull request?
No
### Code of Conduct
Yes
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