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試験科目:「Oracle Fusion Middleware 11g: Build Applications with Oracle Forms」
最近更新時間:2015-10-11
問題と解答:90
試験科目:「Oracle FLEXCUBE Universal Banking 11 Basic Implementation Essentials」
最近更新時間:2015-10-11
問題と解答:76
近年、IT技術の急速な発展に伴って、IT技術を勉強し始める人がますます多くなっています。そこで、IT業界で働く人も多くなっています。このように、IT業界の競争が一層激しくなります。同様にIT業界で働いていて、IT夢を持っているあなたは、きっと他の人にキャッチアップされ、追い抜かれることを望まないでしょう。それでは、ずっと自分自身のスキルをアップグレードすることが必要になり、他の人に自分の強さを証明する必要があります。では、どうやって自分の能力を証明するのですか。多くの人々はIT認定試験を受験して認証資格を取ることを通して彼らの強さを証明します。あなたもIT認証資格を取りたいですか。まずOracleの1Z1-561認定試験に合格しましょう。これはOracleの最も重要な試験の一つで、業界全体に認証された資格です。
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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
- 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
- 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
- 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
- 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
- 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.
- 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
- 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
- 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
- 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
- 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.
- 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
- 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