Examine these module declarations: Which two statements are correct? (Choose two.) A. The ServiceProvider module is the only module that, at run time, can provide the com.example.api API. B. The placement of the com.example.api API in a separate module, ServiceAPI,…
Which code fragment does a service use to load the service provider with a Print interface? A. private Print print = com.service.Provider.getInstance(); B. private java.util.ServiceLoader<Print> loader = ServiceLoader.load(Print.class); C. private java.util.ServiceLoader<Print> loader = new java.util.ServiceLoader<>(); D. private Print print =…
Given: Which one is correct? A. An IllegalThreadStateException is thrown at run time. B. Three threads are created. C. The compilation fails. D. Four threads are created.
Given: Examine these requirements: Eliminate code duplication. Keep constant the number of methods other classes may implement from this interface. Which method can be added to meet these requirements? A. B. C. D.
Given these two classes: And given this fragment: Which describes the fragment? A. It throws IllegalMonitorStateException. B. It is subject to deadlock. C. It is subject to livelock. D. The code does not compile.
Given this enum declaration: Examine this code: System.out.println(Alphabet.getFirstLetter()); What code should be written at line 3 to make this code print A? A. final String getFirstLetter() { return A.toString(); } B. static String getFirstLetter() { return Alphabet.values()[1].toString(); } C. static…
Given: Which two interfaces can be used in lambda expressions? (Choose two.) A. MyInterface1 B. MyInterface3 C. MyInterface5 D. MyInterface2 E. MyInterface4
Given the declaration: Examine this code fragment: /* Loc1 */ class ProcessOrders { … } Which two annotations may be applied at Loc1 in the code fragment? (Choose two.) A. @Resource(priority=100) B. @Resource(priority=0) C. @Resource(name="Customer1", priority=100) D. @Resource(name="Customer1") E. @Resource
Which two are functional interfaces? (Choose two.) A. B. C. D. E.
Given the code fragment: Path currentFile = Paths.get("/scratch/exam/temp.txt"); Path outputFile = Paths get("/scratch/exam/new.txt"); Path directory = Paths.get("/scratch/"); Files.copy(currentFile, outputFile); Files.copy(outputFile, directory); Files.delete (outputFile); The /scratch/exam/temp.txt file exists. The /scratch/exam/new.txt and /scratch/new.txt files do not exist. What is the result? A.…