1Z0-804: Java SE 7 Programmer II Exam

Java SE 7 Programmer II Exam is designed to provide the certification of Oracle for the professionals that work on the Java SE7 technology in many work places. The exam offers ninety multiple choice questions that have to be solved in one hundred and fifty minutes.

1Z0-804: Java SE 7 Programmer II Exam validates the applicants on the following topics which are given for the convenience of the exam takers so that they can learn the topics and does not miss out any important ones. The objectives are given as by the vendor however for surety, the syllabus should be referred at the vendor’s original website. The learning topics are:

Java Class Design is first topic in which candidates learn about access modifiers: private, protected, and public, Override methods, constructors and methods, instance of operator and casting, virtual method invocation, the hashCode, equals, and toString methods from the Object class to improve the functionality and package and import statements.

Advanced Class Design is 1Z0-804: Java SE 7 Programmer II Exam another topic cover objectives that are to apply abstract classes, abstract Java classes and subclasses, the static and final keywords and top-level and nested classes. Object-Oriented Design Principles include implements and/or extends composition principles, a Singleton design pattern, the Data Access Object (DAO) pattern objects.

Generics and Collections consists of overview of a generic class, diamond for type inference, interoperability of collections raw types and generic types, wrapper classes, autoboxing and unboxing, List, Deque implementations, use Map implementations, java.util.Comparator and java.lang, Comparable, search arrays and lists, String Processing which consist of Scanner, StringTokenizer, StringBuilder, String and Formatter, Exceptions and Assertions.

Test invariants by using assertions include Java I/O Fundamentals; write data from the console such as BufferedReader, BufferedWriter, File, FileReader, FileWriter, DataInputStream, DataOutputStream, ObjectOutputStream, ObjectInputStream, and PrintWriter. Another topic is Java File I/O (NIO.2) that covers BasicFileAttributes, DosFileAttributes, and PosixFileAttributes interfaces, Recursively access a directory tree by DirectoryStream and FileVisitor interfaces in the 1Z0-804: Java SE 7 Programmer II Exam.

Building Database Applications with JDBC which are the Driver, Connection, Statement, and ResultSet interfaces and their relationship to provider implementations, database using the DriverManager class that consists of creating statements, iterating through the results, and properly closing result sets, statements, and connections. Threads is another main topic that requires the applicants to know about Thread class and the Runnable interface, control thread lifecycle, Synchronize thread access to shared data, execute correctly in a multi-threaded environment, Concurrency, 1Z0-804: Java SE 7 Programmer II Exam also cover the traditional java.util collections, support lock-free thread-safe programming on single variables, provide information on Executor, Executor Service, Executors and Future to carry out tasks thread pools along with the Localization with the Locale object, a resource bundle, the advantages of localizing an application and using language and country codes.

Preparation of the exam is the key for passing the exam without which the applicants will have to pass the exam in a number of attempts which is a waste of time and money.

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