Java SE7 Programmer II



Java SE7 Programmer II


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Exam Number: 1Z0-804
Exam Product Version: Java SE
Exam Price: € 212,00 exkl. 20% USt
Dauer: 150 Minuten
Anzahl der Fragen: 90
Erforderliche Punktzahl: 65%
Gültig für: This exam has been written for the Java SE 7 release
Format: Multiple Choice
Ab Java SE7 ist das Ablegen der Java SE7 Programmer I Voraussetzung für diese Zertifizierung!

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Exam Preparation:

Java SE8 Programming
Vorbereitungskurs zur Oracle Certified Java Programmer Zertifizierung (inklusive Zertifizierungsgebühr)

Additional Information & Resources TOPICS Java Class Design
  • Use access modifiers: private, protected, and public
  • Override methods
  • Overload constructors and other methods appropriately
  • Use the instanceof operator and casting
  • Use virtual method invocation
  • Override methods from the Object class to i mprove 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
  • Develop code that implements "is-a" and/or "has-a" relationships
  • Apply object composition principles
  • Design a class using the Singleton design pattern
  • Write code to implement the DAO pattern
  • Design and create objects using a factory, and use factories from the API
Generics and Collections
  • Create a generic class
  • Use the diamond syntax to create a collection
  • Analyze the interoperability of collections that use raw type and generic types
  • Use wrapper classes and autoboxing
  • Create and use a List, a Set and a Deque
  • Create and use a Map
  • Use java.util.Comparator and java.lang.Comparable
  • Sort and search arrays and lists
String Processing
  • Search, parse and build strings
  • 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
  • Use the try statement with multi-catch, and finally clauses
  • Autoclose resources with a try-with-resources statement
  • Create custom exceptions
  • Test invariants by using assertions
Java I/O Fundamentals
  • Read and write data from the console
  • Use streams to read and write files
Java File I/O (NIO.2)
  • Use the Path class to operate on file and directory paths
  • Use the Files class to check, delete, copy, or move a file or directory
  • Read and change file and directory attributes
  • Recursively access a directory tree
  • Find a file by using the PathMatcher class
  • Watch a directory for changes by using WatchService
Building Database Applications with JDBC
  • Define the layout of the JDBC API
  • Connect to a database by using a JDBC driver
  • Update and query a database
  • Customize the transaction behavior of JDBC and commit transactions
  • Use the JDBC 4.1 RowSetProvider, RowSetFactory, and RowSet interfaces
Threads
  • Create and use the Thread class and the Runnable interface
  • Manage and control thread lifecycle
  • Synchronize thread access to shared data
  • Identify potential threading problems
Concurrency
  • Use java.util.concurrent collections
  • Apply atomic variables and locks
  • Use Executors and ThreadPools
  • Use the parallel Fork/Join Framework
Localization
  • Read and set the locale by using the Locale object
  • Build a resource bundle for each local
  • Load a resource bundle in an application
  • Format text for