This is my beta exam report:
Your Score: 23% Passing Score: 65% Result: Fail
Feedback on your performance is printed below. The report lists the objectives for which you answered a question incorrectly.
Build a resource bundle for each locale and load a resource bundle in an application
Create and use ArrayList, TreeSet, TreeMap, and ArrayDeque objects
Create and use Lambda expressions
Create and use singleton classes and immutable classes
Create custom exceptions and auto-closeable resources
Create inner classes including static inner class, local class, nested class, and anonymous inner class
Create worker threads using Runnable, Callable and use an ExecutorService to concurrently execute tasks
Define and create and manage date-based and time-based events using Instant, Period, Duration, and TemporalUnit
Describe the Stream interface and Stream pipeline
Describe the interfaces that make up the core of the JDBC API including the Driver, Connection, Statement, and ResultSet interfaces and their relationship to provider implementations
Develop code that declares, implements and/or extends interfaces and use the atOverride annotation
Develop code that uses Stream data methods and calculation methods
Develop code that uses abstract classes and methods
Develop code that uses final keyword
Develop code that uses primitive versions of functional interfaces
Develop code that uses static keyword on initialize blocks, variables, methods, and classes
Develop code that uses the Optional class
Develop code that uses the UnaryOperator interface
Develop code to extract data from an object using peek() and map() methods including primitive versions of the map() method
Filter a collection by using lambda expressions
Identify the components required to connect to a database using the DriverManager class including the JDBC URL
Implement inheritance including visibility modifiers and composition
Implement
polymorphism
Iterate using the forEach methods of Streams and List
Read and set the locale by using the Locale object
Read and write data from the console
Save results to a collection using the collect method and group/partition data using the Collectors class
Search for data by using search methods including findFirst, findAny, anyMatch, allMatch, and noneMatch
Sort a collection using Stream API
Submit queries and read results from the database including creating statements, returning result sets, iterating through the results, and properly closing result sets, statements, and connections
Test invariants by using assertions
Use Autoclose resources with a try-with-resources statement
Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, FileInputStream, FileOutputStream, ObjectOutputStream, ObjectInputStream, and PrintWriter in the java.iopackage.
Use Stream API with NIO.2
Use built-in interfaces included in the java.util.function package such as Predicate, Consumer, Function, and Supplier
Use enumerated types including methods and constructors in an enum type
Use java.util.Comparator and java.lang.Comparable interfaces
Use method references with Streams
Use parallel Streams including reduction, decomposition, merging processes, pipelines and performance
Use synchronized keyword and java.util.concurrent.atomic package to control the order of
thread execution
Use the Files class to check, read, delete, copy, move, manage metadata of a file or directory
Use the Path interface to operate on file and directory paths
Use the java.util.concurrent collections and classes including CyclicBarrier and CopyOnWriteArrayList
Use the parallel Fork/Join Framework
Use try-catch and throw statements