Product Version: NetBeans IDE 8.2 (Build 201609300101)
Updates: NetBeans IDE is updated to version NetBeans 8.2 Patch 1
Java: 1.8.0_121; Java HotSpot(TM) 64-Bit Server VM 25.121-b13
Runtime: Java(TM) SE Runtime Environment 1.8.0_121-b13
System: Windows 10 version 10.0 running on amd64; Cp1252; en_US (nb)
User directory: C:\Users\a-gtzabari\AppData\Roaming\NetBeans\8.2
Cache directory: C:\Users\a-gtzabari\AppData\Local\NetBeans\Cache\8.2

1. Invoke code-complete on Iterator.next(). Notice that the Javadoc viewer shows "throws NoSuchElementException".
2. Create a class that extends Iterator<Object> and override next():

public class MyIterator extends Iterator<Object>
{
    @Override
    public Object next() {
      return null;
    }
}

3. Invoking code-complete on new MyIterator.next().
4. Notice that the Javadoc viewer omits "throws NoSuchElementException" even though it should inherit it.