More info for 1Z0-804 Exam
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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:
- Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
- 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.
- 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.
- 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.
- Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
- 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.
Oracle 1Z1-804 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java I/O Fundamentals | 10% | - Use streams to read and write files - Read and write data from the console - Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, and RandomAccessFile |
| Topic 2: Java File I/O (NIO.2) | 10% | - Use Files class to check, read, delete, copy, move, and manage file attributes - Use DirectoryStream to iterate over directory contents - Use Path interface to operate on file and directory paths - Use PathMatcher and WatchService |
| Topic 3: Concurrency | 15% | - Use Executor, ExecutorService, Executors, Callable, and Future - Manage thread lifecycle - Create and use Threads and Runnable - Use synchronized keyword and java.util.concurrent.atomic package - Use concurrent collections |
| Topic 4: Advanced Class Design | 15% | - 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 - Create and use custom annotations - Develop code that uses final keyword - Develop code that uses abstract classes and methods |
| Topic 5: Localization | 5% | - Format dates, numbers, and currencies for local use - Read and set the locale by using the Locale object - Build a resource bundle for each locale |
| Topic 6: Generics and Collections | 20% | - Use List, Set, Map, and Deque interfaces and implementations - Use type parameters and wildcards - Use Comparable and Comparator interfaces - Sort and search collections - Create and use generics including generic classes, interfaces, and methods |
| Topic 7: String Processing | 10% | - Search, parse, and build strings using String, StringBuilder, and StringBuffer - Format strings using printf and format methods - Use regular expressions to create patterns for matching, searching, and replacing |
| Topic 8: Java Class Design | 15% | - Implement encapsulation - Override hashCode, equals, and toString methods from Object class - Implement polymorphism - Create and use singleton classes and immutable classes - Implement inheritance including visibility modifiers and composition |
| Topic 9: Exceptions and Assertions | 10% | - Create custom exceptions and use exception chaining - Test invariants by using assertions - Use try-catch-finally and try-with-resources statements |
