1Z0-805: Upgrade to Java SE 7 Programmer

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1Z0-805: Upgrade to Java SE 7 Programmer

1Z0-805: Upgrade to Java SE 7 Programmer

Dit examen is onderdeel van de Oracle Certified Professional certificering.

Trainingen

Exameneisen

Language Enhancements
Develop code that uses String objects in switch statements
Develop code that uses binary literals and numeric literals with underscores
Develop code that uses try-with-resources statements (including using classes that implement the AutoCloseable interface)
Develop code that handles multiple Exception types in a single catch block
Develop code that uses the diamond with generic declarations

Design Patterns
Design a class using a Singleton design pattern
Apply object composition principles (including has-a relationships)
Write code to implement the Data Access Object (DAO) pattern
Design and create objects using a factory pattern

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)
Construct and use RowSet objects using the RowSetProvider class and the RowSetFactory interface
Use JDBC transactions (including disabling auto-commit mode, committing and rolling back transactions, and setting and rolling back to savepoints)
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)
Create and use PreparedStatement and CallableStatement objects

Concurrency
Identify code that may not execute correctly in a multi-threaded environment.
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
Describe the advantages of localizing an application
Define a locale using language and country codes
Read and set the locale with a Locale object
Build a resource bundle for a 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)

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

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