More fixes of imports. Removed obsolete generics in constructor expressions. Removed a couple of compiler warnings in test cases. Removed assumption for test case to only run on JDK 9. Original pull request: #259.
More fixes of imports. Removed obsolete generics in constructor expressions. Removed a couple of compiler warnings in test cases. Removed assumption for test case to only run on JDK 9. Original pull request: #259.