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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.
- Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
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- 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.
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More info for 1Z0-804 Exam
For more info visit: Oracle Java8 1Z0-804 Exam Reference
Oracle 1Z0-804 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 |
| Topic 2: 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 3: Advanced Class Design | 15% | - Develop code that uses final keyword - Create inner classes including static inner class, local class, nested class, and anonymous inner class - Develop code that uses abstract classes and methods - Create and use custom annotations - Use enumerated types including methods, constructors, and inheritance in enum types |
| Topic 4: Java Class Design | 15% | - Create and use singleton classes and immutable classes - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Implement encapsulation - Override hashCode, equals, and toString methods from Object class |
| Topic 5: 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 |
| Topic 6: Generics and Collections | 20% | - Use Comparable and Comparator interfaces - Use List, Set, Map, and Deque interfaces and implementations - Sort and search collections - Use type parameters and wildcards - Create and use generics including generic classes, interfaces, and methods |
| Topic 7: Concurrency | 15% | - Use synchronized keyword and java.util.concurrent.atomic package - Use Executor, ExecutorService, Executors, Callable, and Future - Create and use Threads and Runnable - Use concurrent collections - Manage thread lifecycle |
| Topic 8: Java File I/O (NIO.2) | 10% | - Use PathMatcher and WatchService - 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 |
| Topic 9: 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 |
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