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Java 7 has nice support for generics, better annotations, and Java 6 is reaching its end of life pretty soon.

Generics for org.apache.wicket.Component

Using Java 7 will allow to use the "diamonds operator", i.e.

  Component<Entity> c = new SomeComponent<>("id", model);

Servlet 3 as a minimum

While we opted to not require servlet 3 for wicket 6, it has bitten us a couple of times solving issues in wicket 6. Servlet 3 has been out for ages, so we should move with the times.

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