OCPJP 8 Certification

Learn how to practice/crack on Oracle Certified Professional Java SE 8 Programmer (OCPJP 8) Certification and pass the exam (1Z0-809).

Oracle Certified Professional - (OCP) Java SE 8 Programmer Certification is professional level certificate for any IT programmer working with Java. MyExamCloud study plan provides complete study guides and practice for OCPJP 8 exams. This study plan cource is designed to help you to get higher score the Oracle Certified Professional Java SE 8 Programmer (OCPJP 8) Certification. By the end of the MyExamCloud practice exam you will be able to take the OCPJP 8 exam. With OCPJP 8 (1Z0-809) certification you will be in high demand by many employers and will get a superior salary.

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OCPJP 8 Exam Information

The OCPJP 8 (Oracle Certified Professional, Java SE 8 Programmer) certification improves object-orientated programming and Java fundamental skills.

Lambda Expressions, a new language feature, has been introduced in this release. They enable you to treat functionality as a method argument, or code as data. Lambda expressions let you express instances of single-method interfaces (referred to as functional interfaces) more compactly.
Method references provide easy-to-read lambda expressions for methods that already have a name.

Default methods enable new functionality to be added to the interfaces of libraries and ensure binary compatibility with code written for older versions of those interfaces

Classes in the new java.util.stream package provide a Stream API to support functional-style operations on streams of elements. The Stream API is integrated into the Collections API, which enables bulk operations on collections, such as sequential or parallel map-reduce transformations.

Classes and interfaces have been added to the java.util.concurrent package.

Methods have been added to the java.util.concurrent.ConcurrentHashMap class to support aggregate operations based on the newly added streams facility and lambda expressions.

Classes have been added to the java.util.concurrent.atomic package to support scalable updatable variables.

Methods have been added to the java.util.concurrent.ForkJoinPool class to support a common pool.

The java.util.concurrent.locks.StampedLock class has been added to provide a capability-based lock with three modes for controlling read/write access.

OCPJP 8 Certification Path

OCPJP 8 Topics

Topics Covered by MyExamCloud OCPJP 8 Study Plan

Java Class Design

• Implement encapsulation
• Implement inheritance including visibility modifiers and composition
• Implement polymorphism
• Override hashCode, equals, and toString methods from Object class
• Create and use singleton classes and immutable classes
• Develop code that uses static keyword on initialize blocks, variables, methods, and classes

Advanced Java Class Design

• Develop code that uses abstract classes and methods
• Develop code that uses the final keyword
• Create inner classes including static inner class, local class, nested class, and anonymous inner class
• Use enumerated types including methods, and constructors in an enum type
• Develop code that declares, implements and/or extends interfaces and use the @Override annotation.
• Create and use Lambda expressions

Generics and Collections

• Create and use a generic class
• Create and use ArrayList, TreeSet, TreeMap, and ArrayDeque objects
• Use java.util.Comparator and java.lang.Comparable interfaces
• Collections Streams and Filters
• Iterate using forEach methods of Streams and List
• Describe Stream interface and Stream pipeline
• Filter a collection by using lambda expressions
• Use method references with Streams

Lambda Built-in Functional Interfaces

• Use the built-in interfaces included in the java.util.function package such as Predicate, Consumer, Function, and Supplier
• Develop code that uses primitive versions of functional interfaces
• Develop code that uses binary versions of functional interfaces
• Develop code that uses the UnaryOperator interface

Java Stream API

• Develop code to extract data from an object using peek() and map() methods including primitive versions of the map() method
• Search for data by using search methods of the Stream classes including findFirst, findAny, anyMatch, allMatch, noneMatch
• Develop code that uses the Optional class
• Develop code that uses Stream data methods and calculation methods
• Sort a collection using Stream API
• Save results to a collection using the collect method and group/partition data using the Collectors class
• Use flatMap() methods in the Stream API

Exceptions and Assertions

• Use try-catch and throw statements
• Use catch, multi-catch, and finally clauses
• Use Autoclose resources with a try-with-resources statement
• Create custom exceptions and Auto-closeable resources
• Test invariants by using assertions

Use Java SE 8 Date/Time API

• Create and manage date-based and time-based events including a combination of date and time into a single object using LocalDate, LocalTime, LocalDateTime, Instant, Period, and Duration
• Work with dates and times across timezones and manage changes resulting from daylight savings including Format date and times values
• Define and create and manage date-based and time-based events using Instant, Period, Duration, and TemporalUnit

Java I/O Fundamentals

• Read and write data from the console
• Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, FileInputStream, FileOutputStream, ObjectOutputStream, ObjectInputStream, and PrintWriter in the java.io package.

Java File I/O (NIO.2)

• Use Path interface to operate on file and directory paths
• Use Files class to check, read, delete, copy, move, manage metadata of a file or directory
• Use Stream API with NIO.2

Java Concurrency

• Create worker threads using Runnable, Callable and use an ExecutorService to concurrently execute tasks
• Identify potential threading problems among deadlock, starvation, livelock, and race conditions
• Use synchronized keyword and java.util.concurrent.atomic package to control the order of thread execution
• Use java.util.concurrent collections and classes including CyclicBarrier and CopyOnWriteArrayList
• Use parallel Fork/Join Framework
• Use parallel Streams including reduction, decomposition, merging processes, pipelines and performance.

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

Localization

• Read and set the locale by using the Locale object
• Create and read a Properties file
• Build a resource bundle for each locale and load a resource bundle in an application

Refearnce:

https://www.epractizelabs.com/certification/oracle/ocpjp-8/mockexam.html