Java SE 8 Upgrade Exam

This page maps sections in the Java Tutorials to topics covered in the Upgrade to Java SE 8 OCP (Oracle Certified Professional) (Java SE 6 and all prior versions) and Upgrade Java SE 7 to Java SE 8 OCP exams. These exams are associated with the Oracle Certified Professional, Java SE 8 Programmer certificate.

Upgrade to Java SE 8 OCP (Java SE 6 and all prior versions)

The topics covered in this exam are:

1. Language Enhancements
2. Concurrency
3. Localization
4. Java File I/O (NIO.2)
5. Lambda
6. Java Collections
7. Java Streams

Section 1: Language Enhancements

Item 1: Develop code that uses String objects in the switch statement, binary literals, and numeric literals, including underscores in literals

• The switch Statement
• Primitive Data Types
• Primitive Data Types

Item 2: Develop code that uses try-with-resources statements, including using classes that implement the AutoCloseable interface

• The try-with-resources Statement

Item 3: Develop code that handles multiple Exception types in a single catch block

• The catch Blocks

Item 4: Use static and default methods of an interface including inheritance rules for a default method

• Default Methods

Section 2: Concurrency

Item 1: Use classes from the java.util.concurrent package including CyclicBarrier and CopyOnWriteArrayList with a focus on the advantages over and differences from the traditional java.util collections

Item 2: Use Lock, ReadWriteLock, and ReentrantLock classes in the java.util.concurrent.locks and java.util.concurrent.atomic packages to support lock-free thread-safe programming on single variables

• Atomic Variables

Item 3: Use Executor, ExecutorService, Executors, Callable, and Future to execute tasks using thread pools

• Executor Interfaces

Item 4: Use the parallel Fork/Join Framework

• Fork/Join

Section 3: Localization

Item 1: Describe the advantages of localizing an application and developing code that defines, reads, and sets the locale with a Locale object

• Introduction

• Creating a Locale

Item 2: Build a resource bundle for a locale and call a resource bundle from an application

• Isolating Locale-Specific Data

Item 3: Create and manage date- and time-based events by using LocalDate, LocalTime, LocalDateTime, Instant, Period, and Duration, including a combination of date and time in a single object

• Date Classes
• Date and Time Classes
• Instant Class
• Period and Duration

Item 4: Format dates, numbers, and currency values for localization with the NumberFormat and DateFormat classes, including number and date format patterns

• Numbers and Currencies
• Dates and Times

Item 5: Work with dates and times across time zones and manage changes resulting from daylight savings

• Time Zone and Offset Classes

Section 4: Java File I/O (NIO.2)

Item 1: Operate on file and directory paths by using the java.nio.Path class

• Path Operations

Item 2: Check, delete, copy, or move a file or directory by using the java.nio.Files class

• Checking a File or Directory
• Deleting a File or Directory
• Copying a File or Directory
• Moving a File or Directory

Item 3: Recursively access a directory tree by using the DirectoryStream and FileVisitor interfaces

• Creating and Reading Directories
• Walking the File Tree

Item 4: Find a file by using the PathMatcher interface, and use Java SE 8 I/O improvements, including Files.find, Files.walk, and Files.lines methods

• Finding Files
• Walking the File Tree

Item 5: Observe the changes in a directory by using the WatchService interface

• Watching a Directory for Changes

Section 5: Lambda

The sections Lambda Expressions and Aggregate Operations cover some of the following items:

Item 1: Define and write functional interfaces and describe the interfaces of the java.util.function package

Item 2: Describe a lambda expression; refactor the code that uses an anonymous inner class to use a lambda expression; describe type inference and target typing

Item 3: Develop code that uses the built-in interfaces included in the java.util.function package, such as Function, Consumer, Supplier, UnaryOperator, Predicate, and Optional APIs, including the primitive and binary variations of the interfaces

Item 4: Develop code that uses a method reference, including refactoring a lambda expression to a method reference

Section 6: Java Collections

The sections Lambda Expressions and Aggregate Operations cover some of the following items:

Item 1: Develop code that uses diamond with generic declarations

• The Diamond

Item 2: Develop code that iterates a collection, filters a collection, and sorts a collection by using lambda expressions

Item 3: Search for data by using methods, such as findFirst, findAny, anyMatch, allMatch, and noneMatch

Item 4: Perform calculations on Java streams by using count, max, min, average, and sum methods and save results to a collection by using the collect method and Collector class, including the averagingDouble, groupingBy, joining, and partitioningBy methods

Item 5: Develop code that uses Java SE 8 collection improvements, including the Collection.removeIf, List.replaceAll, Map.computeIfAbsent, and Map.computeIfPresent methods

Item 6: Develop code that uses the merge, flatMap, and map methods on Java streams

Section 7: Java Streams

The sections Lambda Expressions and Aggregate Operations cover some of the following items:

Item 1: Describe the Stream interface and pipelines; create a stream by using the Arrays.stream and IntStream.range methods; identify the lambda operations that are lazy

Item 2: Develop code that uses parallel streams, including decomposition operation and reduction operation in streams

Upgrade Java SE 7 to Java SE 8 OCP Programmer

The topics covered in this exam are:

1. Lambda Expressions
2. Using Built-in Lambda Types
3. Java Collections and Streams with Lambdas
4. Collection Operations with Lambda
5. Parallel Streams
6. Lambda Cookbook
7. Method Enhancements
8. Use Java SE 8 Date/Time API

Section 1: Lambda Expressions

Item 1: Describe and develop code that uses Java inner classes, including nested class, static class, local class, and anonymous classes

• Nested Classes
• Local Classes
• Anonymous Classes
• When to Use Nested Classes, Local Classes, Anonymous Classes, and Lambda Expressions

Item 2: Describe and write functional interfacesLambda Expressions

Item 3: Describe a lambda expression; refactor the code that uses an anonymous inner class to use a lambda expression; describe type inference and target typingLambda Expressions

Section 2: Using Built-in Lambda Types

The sections Lambda Expressions and Aggregate Operations cover some of the following items:

Item 1: Describe the interfaces of the java.util.function package

Item 2: Develop code that uses the Function interface

Item 3: Develop code that uses the Consumer interface

Item 4: Develop code that uses the Supplier interface

Item 5: Develop code that uses the UnaryOperator interface

Item 6: Develop code that uses the Predicate interface

Item 7: Develop code that uses the primitive and binary variations of the base interfaces of the java.util.function package

Item 8: Develop code that uses a method reference, including refactoring a lambda expression to a method reference

Section 3: Java Collections and Streams with Lambdas

The sections Lambda Expressions and Aggregate Operations cover some of the following items:

Item 1: Develop code that iterates a collection by using the forEach() method and method chaining

Item 2: Describe the Stream interface and pipelines

Item 3: Filter a collection by using lambda expressions

Item 4: Identify the operations, on stream, that are lazy

Section 4: Collection Operations with Lambda

The sections Lambda Expressions and Aggregate Operations cover some of the following items:

Item 1: Develop code to extract data from an object by using the map() method

Item 2: Search for data by using methods such as findFirst(), findAny(), anyMatch(), allMatch(), and noneMatch()

Item 3: Describe the unique characteristics of the Optional class

Item 4: Perform calculations by using Java Stream methods, such as count(), max(), min(), average(), and sum()

Item 5: Sort a collection by using lambda expressions

Item 6: Develop code that uses the Stream.collect() method and Collectors class methods, such as averagingDouble(), groupingBy(), joining(), and partitioningBy()

Section 5: Parallel Streams

Item 1: Develop code that uses parallel streamsParallelism

Item 2: Implement decomposition and reduction in streamsReduction

Section 6: Lambda Cookbook

Item 1: Develop code that uses Java SE 8 collection improvements, including Collection.removeIf, List.replaceAll, Map.computeIfAbsent, and Map.computeIfPresent methods

Item 2: Develop code that uses Java SE 8 I/O improvements, including Files.find, Files.walk, and Files.lines methods

Item 3: Use flatMap() methods in the Stream API

Item 4: Develop code that creates a stream by using the Arrays.stream() and IntStream.range() methods

Section 7: Method Enhancements

Item 1: Add static methods to interfacesStatic Methods

Item 2: Define and use a default method of an interface and describe the inheritance rules for the default methodDefault Methods Overriding and Hiding Methods

Section 8: Use Java SE 8 Date/Time API

Item 1: Create and manage date- and time-based events, including a combination of date and time in a single object, by using LocalDate, LocalTime, LocalDateTime, Instant, Period, and Duration

• Date Classes
• Date and Time Classes

Item 2: Work with dates and times across time zones and manage changes resulting from daylight savings, including Format date and times values

• Time Zone and Offset Classes

Item 3: Define, create, and manage date- and time-based events using Instant, Period, Duration, and TemporalUnit

• Instant Class
• The Temporal Package
• Period and Duration