Online Access Free 1Z0-816 Exam Questions

Given:

Which option should you choose to enable the code to print Something happened?

• A.Add extends GeneralException on line 1.
  Add extends Exception on line 2.
• B.Add extends SpecificException on line 1.
  Add extends GeneralException on line 2.
• C.Add extends Exception on line 1.
  Add extends Exception on line 2.
• D.Add extends Exception on line 1.
  Add extends GeneralException on line 2.

Given:

Which annotation should be used to remove warnings from compilation?

• A.@SuppressWarnings("unchecked") on main and @SafeVarargs on the print method
• B.@SuppressWarnings("all") on the main and print methods
• C.@SuppressWarnings("rawtypes") on main and @SafeVarargs on the print method
• D.@SuppressWarnings on the main and print methods

Assuming the Widget class has a getPrice method, this code does not compile:

Which two statements, independently, would allow this code to compile? (Choose two.)

• A.Replace line 1 with List<Widget> widgetStream = widgets.stream();.
• B.Replace line 5 with widgetStream.filter(a -> ((Widget)a).getPrice() > 20.00).
• C.Replace line 4 with Stream<Widget> widgetStream = widgets.stream();.
• D.Replace line 5 with widgetStream.filter((Widget a) -> a.getPrice() > 20.00).

Which code fragment does a service use to load the service provider with a Print interface?

• A.private java.util.ServiceLoader<Print> loader = new java.util.ServiceLoader<> ();
• B.private java.util.ServiceLoader<Print> loader = ServiceLoader.load (Print.class);
• C.private Print print = com.service.Provider.getInstance();
• D.private Print print = new com.service.Provider.PrintImpl();

Given:

Which one is correct?

• A.Three threads are created.
• B.Four threads are created.
• C.An IllegalThreadStateException is thrown at run time.
• D.The compilation fails.