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Java 1Z0-804 Free Test is a test created to demonstrate all the features of our Java7 Associate Web Simulator. You will be able to access 25 complete questions and will have 53 minutes to finish the test.
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- Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
- if you want to take a look at the correct answers for a question, just click the “Solution” button. In the solution section you will be able to check your answers as well as find a full explanation.
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Oracle 1Z1-804 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Exceptions and Assertions | 10% | - Use try-catch-finally and try-with-resources statements - Test invariants by using assertions - Create custom exceptions and use exception chaining |
| Generics and Collections | 20% | - Create and use generics including generic classes, interfaces, and methods - Use List, Set, Map, and Deque interfaces and implementations - Sort and search collections - Use Comparable and Comparator interfaces - Use type parameters and wildcards |
| Java I/O Fundamentals | 10% | - Read and write data from the console - Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, and RandomAccessFile - Use streams to read and write files |
| Java Class Design | 15% | - Implement polymorphism - Create and use singleton classes and immutable classes - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Override hashCode, equals, and toString methods from Object class |
| Java File I/O (NIO.2) | 10% | - Use Path interface to operate on file and directory paths - Use Files class to check, read, delete, copy, move, and manage file attributes - Use DirectoryStream to iterate over directory contents - Use PathMatcher and WatchService |
| Advanced Class Design | 15% | - Develop code that uses abstract classes and methods - Develop code that uses final keyword - Create inner classes including static inner class, local class, nested class, and anonymous inner class - Use enumerated types including methods, constructors, and inheritance in enum types - Create and use custom annotations |
| Concurrency | 15% | - Use synchronized keyword and java.util.concurrent.atomic package - Manage thread lifecycle - Use concurrent collections - Use Executor, ExecutorService, Executors, Callable, and Future - Create and use Threads and Runnable |
| Localization | 5% | - Read and set the locale by using the Locale object - Format dates, numbers, and currencies for local use - Build a resource bundle for each locale |
| String Processing | 10% | - Format strings using printf and format methods - Search, parse, and build strings using String, StringBuilder, and StringBuffer - Use regular expressions to create patterns for matching, searching, and replacing |
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