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:
- Navigate the Java Certification Questions using the “Previous” and “Next” buttons.
- 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.
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- 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.
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Oracle 1Z1-804 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java File I/O (NIO.2) | 10% | - Use Files class to check, read, delete, copy, move, and manage file attributes - Use PathMatcher and WatchService - Use Path interface to operate on file and directory paths - Use DirectoryStream to iterate over directory contents |
| Topic 2: Advanced Class Design | 15% | - Create and use custom annotations - 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 |
| Topic 3: 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 4: Java I/O Fundamentals | 10% | - Use streams to read and write files - Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, and RandomAccessFile - Read and write data from the console |
| Topic 5: Generics and Collections | 20% | - Create and use generics including generic classes, interfaces, and methods - Use Comparable and Comparator interfaces - Sort and search collections - Use type parameters and wildcards - Use List, Set, Map, and Deque interfaces and implementations |
| Topic 6: Exceptions and Assertions | 10% | - Create custom exceptions and use exception chaining - Use try-catch-finally and try-with-resources statements - Test invariants by using assertions |
| Topic 7: Java Class Design | 15% | - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Override hashCode, equals, and toString methods from Object class - Create and use singleton classes and immutable classes - Implement encapsulation |
| Topic 8: 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 |
| Topic 9: Concurrency | 15% | - Use concurrent collections - Use Executor, ExecutorService, Executors, Callable, and Future - Create and use Threads and Runnable - Use synchronized keyword and java.util.concurrent.atomic package - Manage thread lifecycle |
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