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More info for 1Z0-804 Exam
For more info visit: Oracle Java8 1Z0-804 Exam Reference
Oracle Java SE 7 Programmer II Study 1Z0-804 Exam
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.
There are several components you can interact with when you take our mock exams:
- Once the test is submitted, the result section will expand. Here, you will be able to review all the questions of the test. From here, you can also navigate directly to each question.
- 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.
- Keep an eye on the countdown. This will tell you how much time is left. When the countdown expires, the test will be automatically submitted.
- Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
- Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
- Navigate the Java Certification Questions using the “Previous” and “Next” buttons.
- Mark the Java Certification Questions you wish to review later. All the questions you have marked will be listed in the right section “marked questions”. You will be able to jump directly to the question from this list.
Oracle 1Z0-804 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| 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 |
| Exceptions and Assertions | 10% | - Test invariants by using assertions - Create custom exceptions and use exception chaining - Use try-catch-finally and try-with-resources statements |
| 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 |
| Concurrency | 15% | - Use synchronized keyword and java.util.concurrent.atomic package - Manage thread lifecycle - Use Executor, ExecutorService, Executors, Callable, and Future - Use concurrent collections - Create and use Threads and Runnable |
| Generics and Collections | 20% | - Use Comparable and Comparator interfaces - Sort and search collections - Use type parameters and wildcards - Create and use generics including generic classes, interfaces, and methods - Use List, Set, Map, and Deque interfaces and implementations |
| Advanced Class Design | 15% | - Develop code that uses final keyword - Create and use custom annotations - Develop code that uses abstract classes and methods - Use enumerated types including methods, constructors, and inheritance in enum types - Create inner classes including static inner class, local class, nested class, and anonymous inner class |
| Java File I/O (NIO.2) | 10% | - Use PathMatcher and WatchService - Use DirectoryStream to iterate over directory contents - Use Path interface to operate on file and directory paths - Use Files class to check, read, delete, copy, move, and manage file attributes |
| Java Class Design | 15% | - Implement polymorphism - Override hashCode, equals, and toString methods from Object class - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Create and use singleton classes and immutable classes |
| String Processing | 10% | - Use regular expressions to create patterns for matching, searching, and replacing - Format strings using printf and format methods - Search, parse, and build strings using String, StringBuilder, and StringBuffer |
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