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Java SE 8 Programming

Πρόσθετες Πληροφορίες

  • Συνοπτικό πρόγραμμα:

    Java Platform Overview

    • Defining how the Java language achieves platform independence
    • Differentiating between the Java ME, Java SE, and Java EE Platforms
    • Evaluating Java libraries, middle-ware, and database options
    • Defining how the Java language continues to evolve

    Java Syntax and Class Review

    • Creating simple Java classes
    • Creating primitive variables
    • Using operators
    • Creating and manipulate strings
    • Using if-else and switch statements
    • Iterating with loops: while,do-while,for,enhanced for
    • Creating arrays
    • Using Java fields, constructors, and methods

    Encapsulation and Subclassing

    • Using encapsulation in Java class design
    • Modeling business problems using Java classes
    • Making classes immutable
    • Creating and use Java subclasses
    • Overloading methods

    Overriding Methods, Polymorphism, and Static Classes

    • Using access levels: private, protected, default, and public.
    • Overriding methods
    • Using virtual method invocation
    • Using varargs to specify variable arguments
    • Using the instanceof operator to compare object types
    • Using upward and downward casts
    • Modeling business problems by using the static keyword
    • Implementing the singleton design pattern

    Abstract and Nested Classes

    • Designing general-purpose base classes by using abstract classes
    • Constructing abstract Java classes and subclasses
    • Applying final keyword in Java
    • Distinguish between top-level and nested classes

    Interfaces and Lambda Expressions

    • Defining a Java interface
    • Choosing between interface inheritance and class inheritance
    • Extending an interface
    • Defaulting methods
    • Anonymous inner classes
    • Defining a Lambda Expression

    Collections and Generics

    • Creating a custom generic class
    • Using the type inference diamond to create an object
    • Creating a collection by using generics
    • Implementing an ArrayList
    • Implementing a TreeSet
    • Implementing a HashMap
    • Implementing a Deque
    • Ordering collections

    Collections Streams, and Filters

    • Describing the Builder pattern
    • Iterating through a collection using lambda syntax
    • Describing the Stream interface
    • Filtering a collection using lambda expressions
    • Calling an existing method using a method reference
    • Chaining multiple methods together
    • Defining pipelines in terms of lambdas and collections

    Lambda Built-in Functional Interfaces

    • Listing the built-in interfaces included in java.util.function
    • Core interfaces - Predicate, Consumer, Function, Supplier
    • Using primitive versions of base interfaces
    • Using binary versions of base interfaces

    Lambda Operations

    • Extracting data from an object using map
    • Describing the types of stream operations
    • Describing the Optional class
    • Describing lazy processing
    • Sorting a stream
    • Saving results to a collection using the collect method
    • Grouping and partition data using the Collectors class

    Exceptions and Assertions

    • Defining the purpose of Java exceptions
    • Using the try and throw statements
    • Using the catch, multi-catch, and finally clauses
    • Autoclose resources with a try-with-resources statement
    • Recognizing common exception classes and categories
    • Creating custom exceptions
    • Testing invariants by using assertions

    Java Date/Time API

    • Creating and manage date-based events
    • Creating and manage time-based events
    • Combining date and time into a single object
    • Working with dates and times across time zones
    • Managing changes resulting from daylight savings
    • Defining and create timestamps, periods and durations
    • Applying formatting to local and zoned dates and times

    I/O Fundamentals

    • Describing the basics of input and output in Java
    • Read and write data from the console
    • Using streams to read and write files
    • Writing and read objects using serialization

    File I/O (NIO.2)

    • Using the Path interface to operate on file and directory paths
    • Using the Files class to check, delete, copy, or move a file or directory
    • Using Stream API with NIO2

    Concurrency

    • Describing operating system task scheduling
    • Creating worker threads using Runnable and Callable
    • Using an ExecutorService to concurrently execute tasks
    • Identifying potential threading problems
    • Using synchronized and concurrent atomic to manage atomicity
    • Using monitor locks to control the order of thread execution
    • Using the java.util.concurrent collections

    The Fork-Join Framework

    • Parallelism
    • The need for Fork-Join
    • Work stealing
    • RecursiveTask
    • RecursiveTask

    Parallel Streams

    • Reviewing the key characteristics of streams
    • Describing how to make a stream pipeline execute in parallel
    • List the key assumptions needed to use a parallel pipeline
    • Defining reduction
    • Describing why reduction requires an associative function
    • Calculating a value using reduce
    • Describing the process for decomposing and then merging work
    • Listing the key performance considerations for parallel streams

    Database Applications with JDBC

    • Defining the layout of the JDBC API
    • Connecting to a database by using a JDBC driver
    • Submitting queries and get results from the database
    • Specifying JDBC driver information externally
    • Performing CRUD operations using the JDBC API

    Localization

    • Describing the advantages of localizing an application
    • Defining what a locale represents
    • Read and set the locale by using the Locale object
    • Building a resource bundle for each locale
    • Calling a resource bundle from an application
    • Changing the locale for a resource bundle

     

  • Διάρκεια: 40 Ώρες

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