1Z0-804 High - 1Z0-804 New Exam Camp Questions - Oracle 1Z0-804 High dumps are an indispensable material in the certification exam & knowledge points 1Z0-804 High are clear & The answers of the exam exercises provided by 1Z0-804 High is very accurate - the fastest and convenient method is to use our 1Z0-804 High study guide - and achieved excellent 1Z0-804 High results in the exam - there may occur few 1Z0-804 High new questions - Oracle 1Z0-804 High is a high gold content certification exam & Oracle 1Z0-804 High PDF file materials help a lot of candidates - and you can pass the exam with high scores 1Z0-804 High - A lot of people want to pass Oracle certification 1Z0-804 High exam to let their job and life improve & you will get it immediately 1Z0-804 High - You will be confident 1Z0-804 High in your test
Java SE 7 Programmer II
Exam Number: 1Z0-804 / 1Z0-804
Duration: 150 minutes
Associated Certifications:
Oracle Certified Professional, Java SE 7 Programmer
Number of Questions:
90
Exam Product Version: Java SE,
Passing Score: 65%
Exam Price: US$ 150
Validated Against:
This exam is validated against Java SE 7.
format: Multiple Choice
Recommended Training
Java SE 7 Programming
Exam Preparation Seminar
Certification Exam Prep Seminar: Java SE 7 Programmer II
Exam Prep Seminar Discount Package: OCA Java SE 7 Programmer II
Practice Exams
Practice Exams: Oracle authorized practice exam from Kaplan SelfTest:1Z0-804: Java SE 7 Programmer II
Practice Exams: Oracle practice exam from Transcender: 1Z0-804 DevCert: Java SE 7 Programmer II
Sample Questions
TOPICS
Java Class Design
Use access modifiers: private, protected, and public
Override methods
Overload constructors and methods
Use the instanceof operator and casting
Use virtual method invocation
Override the hashCode, equals, and toString methods from the Object class to improve the functionality of your class.
Use package and import statements
Advanced Class Design
Identify when and how to apply abstract classes
Construct abstract Java classes and subclasses
Use the static and final keywords
Create top-level and nested classes
Use enumerated types
Object-Oriented Design Principles
Write code that declares, implements and/or extends interfaces
Choose between interface inheritance and class inheritance
Apply cohesion, low-coupling, IS-A, and HAS-A principles
Apply object composition principles (including has-a relationships)
Design a class using a Singleton design pattern
Write code to implement the Data Access Object (DAO) pattern
Design and create objects using a factory pattern
Generics and Collections
Create a generic class
Use the diamond for type inference
Analyze the interoperability of collections that use raw types and generic types
Use wrapper classes, autoboxing and unboxing
Create and use List, Set and Deque implementations
Create and use Map implementations
Use java.util.Comparator and java.lang.Comparable
Sort and search arrays and lists
String Processing
Search, parse and build strings (including Scanner, StringTokenizer, StringBuilder, String and Formatter)
Search, parse, and replace strings by using regular expressions, using expression patterns for matching limited to: . (dot), * (star), + (plus), ?, \d, \D, \s, \S, \w, \W, \b. \B, [], ().
Format strings using the formatting parameters: %b, %c, %d, %f, and %s in format strings.
Exceptions and Assertions
Use throw and throws statements
Develop code that handles multiple Exception types in a single catch block
Develop code that uses try-with-resources statements (including using classes that implement the AutoCloseable interface)
Create custom exceptions
Test invariants by using assertions
Java I/O Fundamentals
Read and write data from the console
Use streams to read from and write to files by using classes in the java.io package including BufferedReader, BufferedWriter, File, FileReader, FileWriter, DataInputStream, DataOutputStream, ObjectOutputStream, ObjectInputStream, and PrintWriter
Java File I/O (NIO.2)
Operate on file and directory paths with the Path class
Check, delete, copy, or move a file or directory with the Files class
Read and change file and directory attributes, focusing on the BasicFileAttributes, DosFileAttributes, and PosixFileAttributes interfaces
Recursively access a directory tree using the DirectoryStream and FileVisitor interfaces
Find a file with the PathMatcher interface
Watch a directory for changes with the WatchService interface
Building Database Applications with JDBC
Describe the interfaces that make up the core of the JDBC API (including the Driver, Connection, Statement, and ResultSet interfaces and their relationship to provider implementations)
Identify the components required to connect to a database using the DriverManager class (including the jdbc URL)
Submit queries and read results from the database (including creating statements, returning result sets, iterating through the results, and properly closing result sets, statements, and connections)
Use JDBC transactions (including disabling auto-commit mode, committing and rolling back transactions, and setting and rolling back to savepoints)
Construct and use RowSet objects using the RowSetProvider class and the RowSetFactory interface
Create and use PreparedStatement and CallableStatement objects
Threads
Create and use the Thread class and the Runnable interface
Manage and control thread lifecycle
Synchronize thread access to shared data
Identify code that may not execute correctly in a multi-threaded environment.
Concurrency
Use collections from the java.util.concurrent package with a focus on the advantages over and differences from the traditional java.util collections.
Use Lock, ReadWriteLock, and ReentrantLock classes in the java.util.concurrent.locks package to support lock-free thread-safe programming on single variables.
Use Executor, ExecutorService, Executors, Callable, and Future to execute tasks using thread pools.
Use the parallel Fork/Join Framework
Localization
Read and set the locale by using the Locale object
Build a resource bundle for each locale
Call a resource bundle from an application
Format dates, numbers, and currency values for localization with the NumberFormat and DateFormat classes (including number format patterns)
Describe the advantages of localizing an application
Define a locale using language and country codes
BraindumpStudy is a website that provide the counseling courses for IT professionals to participate in Oracle certification 1Z0-804 New Test Collection Free exam and help them get the Oracle 1Z0-804 New Test Collection Free certification. The courses of BraindumpStudy is developed by experienced experts' extensive experience and expertise and the quality is very good and have a very fast update rate. Besides, exercises we provide are very close to the real exam questions, almost the same. When you select BraindumpStudy, you are sure to 100% pass your first time to participate in the difficult and critical Oracle certification 1Z0-804 New Test Collection Free exam.
Exam Name: Java SE 7 Programmer II Exam
One year free update, No help, Full refund!
1Z0-804 New Test Collection Free Total Q&A: 150 Questions and Answers
Last Update: 2017-04-14
1Z0-804 Exam Cram Detail: 1Z0-804 New Test Collection Free
As we know, Oracle actual test is related to the IT professional knowledge and experience, it is not easy to clear 1Z0-804 New Test Collection Free practice exam. The difficulty of exam and the lack of time reduce your pass rate. And it will be a great loss for you if you got a bad result in the 1Z0-804 New Test Collection Free exam tests. So it is urgent for you to choose a study appliance, especially for most people participating 1Z0-804 New Test Collection Free real exam first time.
1Z0-804 Free Demo Download: http://www.braindumpstudy.com/1Z0-804_braindumps.html
没有评论:
发表评论