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Core JAVA Online Training

Learn how to use Java, from the fundamentals to advanced techniques, with instructor-led instruction from industry experts. Core Java Online demonstrates how to construct applications such as Facebook, LinkedIn, Amazon, Swiggy, Quora, and many more through hands-on experience.

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Access to high-quality self-paced eLearning content handpicked by industry experts for life.

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Core Java Course Description

Java Certification is more than simply a certificate. Certification examinations assess not only knowledge but also real-world deployment abilities, guaranteeing that Java Certified Professionals understand exactly how to complete a successful project. Get certified, demonstrate your abilities, and share your expertise. Earning certification assists you as an IT expert in establishing credibility with your workplace as well as the larger IT sector.

Mock Interviews

Needintech's mock interviews provide a platform for you to prepare for, practise for, and experience a real-life job interview. You will have an advantage over your colleagues if you familiarise yourself with the interview environment beforehand in a comfortable and stress-free environment.

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Course Objetives
  • To work in IT, one must have competent skills, since many firms are looking for individuals who can manage various projects in J2EE and increase industrial efficiency. The annual salary for a Java Programmer is Rs. 391,797.

This Java Course is suitable for:

Students and professionals interested in becoming Java developers.

  • Software developers
  • Web designers
  • Programming enthusiasts
  • Engineering graduates
  • All of our Java Training course instructors are certified and highly qualified, with more than ten years of expertise implementing Java.

Some of the positions available for Java Professionals in Chennai include:

 

  • Software Developer
  • Software Designer
  • Senior Software Engineer
  • Web Designer
  • IT Team Leader
  • Associate Software Developer
  • Because of its speed and stability, Java is one of the most popular programming languages, and firms of all sizes utilise it in their tech stacks. Consider Uber, Netflix, Spotify, Google, and Amazon, all of which use Java. Java developers are therefore in high demand.
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Syllabus of Core Java Online Course 

Module 1: Introduction to Java

  • Features of Java
  • Simple
  • Secure
  • Portable
  • Robust
  • Multithreading
  • Platform-Independent
  • Distributed.
  • Dynamic
  • New Features of Java 8
  • Introducing Java Environment
  • Java Development Kit
  • Java Platforms
  • Java Virtual Machine
  • Java API
  • Java Programs
  • Installing Java
  • What about CLASSPATH?
  • Java’s Reserve Words
  • Starting a Java program
  • Line 1—public class App
  • Line 2—public static void main(String[] args)
  • Line 3—System.out.println(“Hello from Java!”);
  • Compiling Code 15
  • Compiling Code: Using Command-Line Options
  • Cross-Compilation Options
  • Compiling Code: Checking for Deprecated Methods
  • Running Code
  • Running Code: Using Command-Line Options
  • Commenting Your Code
  • Importing Java Packages and Classes
  • Finding Java Class with CLASSPATH
  • Summary

More

Module 2: Variables, Arrays and Strings
  • Variables
  • Data Typing
  • Arrays
  • Strings
  • What Data Types are Available?
  • Creating Integer Literals
  • Creating Floating-Point Literals
  • Creating Boolean Literals
  • Creating Character Literals
  • Creating String Literals
  • Creating Binary Literals
  • Using Underscores in Numeric Literals
  • Declaring Integer Variables
  • Declaring Floating-Point Variables
  • Declaring Character Variables
  • Declaring Boolean Variables
  • Initializing Variables Dynamically
  • Conversion between Data Types
  • Automatic Conversions
  • Casting to New Data Types
  • Declaring One-Dimensional
  • Creating One-Dimensional Arrays
  • Initializing One-Dimensional Arrays
  • Declaring Multi-Dimensional Arrays
  • Creating Multi-Dimensional Arrays
  • Initializing Multi-Dimensional Arrays
  • Creating Irregular Multi-Dimensional Arrays
  • Getting an the Length of an Array
  • Understanding General Form of Static Import
  • Importing Static Members
  • The String Class
  • Getting String Length
  • Concatenating Strings
  • Getting Characters and Substrings
  • Searching For and Replacing Strings
  • Changing Case in Strings
  • Checking for Empty String
  • Formatting Numbers in Strings
  • The StringBuffer Class
  • Creating StringBuffers
  • Getting and Setting StringBuffer Lengths and Capacities
  • Setting Characters in String Buffers
  • Appending and Inserting Using StringBuffers
  • Deleting Text in StringBuffers
  • Replacing Text in String Buffer
  • Using the Wrapper Class
  • Autoboxing and Unboxing of Primitive Types
  • Learning the Fundamentals of Varargs Methods
  • Overloading Varargs Methods
  • Learning the Ambiguity in Varargs Methods
  • Using Non-Reifiable Formal Parameters
Module 3: Operators, Conditionals and Loops
  • Operators
  • Conditionals
  • Loops
  • Operator Precedence
  • Incrementing and Decrementing (++ and –)
  • Unary NOT (~ And !)
  • Multiplication and Division (* and /)
  • Modulus (%)
  • Addition and Subtraction (+ and -)
  • Shift Operators (>>, >>>, and <<)
  • Relational Operators (>, >=, <, <=, ==, and !=)
  • Bitwise and Bitwise Logical AND, XOR, and OR (&, ^, and /)
  • Logical (&& and ||)
  • The if-then-else Operator
  • Assignment Operators (= and [operator]=)
  • Using the Math
  • Changes in the Math Class
  • Class StrictMath
  • Comparing Strings
  • The if Statement
  • The else Statement
  • Nested if
  • The if-else Ladders
  • The switch Statement
  • Using Strings in switch Statement
  • The while Loop
  • The do-while Loop
  • The for Loop
  • The for-each Loop
  • Supporting for-each in Your Own Class
  • A (Poor) Solution
  • Significance of for-
  • Nested Loops
  • Using the break Statement
  • Using the continue Statement
  • Using the return Statement
  • Summary
Module 4: Class, Object, Packages and Access Specifiers
  • The Control Overview of a Class
  • Working with Objects
  • Working with Methods
  • Defining Default Methods
  • Working with Constructors
  • Using Default Constructor
  • Using Parameterized Constructors
  • Exploring Packages
  • Studying the Types of Packages
  • Importing Packages
  • Using Access Specifiers
  • Working with Streams API
  • Stream API Overview
  • Collection and Stream
  • Commonly Used Functional Interfaces in Stream
  • Java.util.Optional
  • Aggregate Operations
  • Working with Time API
Module 5: Implementing Object-Oriented Programming in Java
  • Understanding Encapsulation
  • Understanding Abstraction
  • Understanding Inheritance
  • Understanding the final Keyword
  • Preventing Inheritance
  • Declaring Constant
  • Preventing Method Overriding
  • Implementing Interfaces
  • Working with Lambda Expressions
  • Method References
  • Using Lambda Expressions
  • Implementing Abstract Classes and Methods
  • Difference between Abstract Classes and Interfaces
  • Implementing Polymorphism
  • Understanding the Static Polymorphism
  • Understanding the Dynamic Polymorphism
  • Summary
Module 6: Working with Streams, Files and I/O Handling
  • Streams, Readers and Writers
  • Essentials in NIO
  • Buffers
  • Channels
  • Charsets and Selectors
  • Enhancements in NIO with Java 8
  • The Path Interface
  • The Files Class
  • The Paths Class
  • The File Attribute Interfaces
  • The FileSystem Class
  • The FileSystems Class
  • The FileStore Class
  • Prospects of NIO
  • Working with Streams
  • The InputStream Class
  • The OutputStream Class
  • The ByteArrayInputStream Class
  • The ByteArrayOutputStream Class
  • The BufferedInputStream Class
  • The BufferedOutputStream Class
  • The FileInputStream Class
  • The FileOutputStream Class
  • Working with the Reader Class
  • Working with the Writer Class
  • Accepting Input from the Keyboard with the InputStreamReader Class
  • Working with the OutputStreamWriter Class
  • Working with Files
  • Using the File Class
  • Using the FileReader Class
  • Using the FileWriter Class
  • Working with the RandomAccessFile Class
  • Working with Character Arrays
  • Using the CharArrayReader Class
  • Using the CharArrayWriter Class
  • Working with Buffers
  • Using the BufferedReader Class
  • Using the BufferedWriter Class
  • Working with the PushbackReader Class
  • Working with the PrintWriter Class
  • Working with the StreamTokenizer Class
  • Implementing the Serializable Interface
  • Working with the Console Class
  • Working with the Clipboard
  • Working with the Printer
  • Printing with the Formatter Class
  • Using the System.out.printf() Method
  • Using the String.format() Method
  • Formatting Dates Using the String.format() Method
  • Using the Java.util.Formatter Class
  • Scanning Input with the Scanner class
  • Summary
Module 7: Implementing Exception Handling
  • Overview of Exceptions
  • Exception Handling Techniques
  • Rethrowing Catched Exception with Improved Type Checking
  • Built-in Exceptions
  • User-Defined Exceptions
  • Summary
Module 8: Working with Multiple Threads
  • Using Threads in Java
  • Life Cycle of a Thread
  • Synchronization of Threads
  • Multithreaded Custom Class Loader
  • Getting the Main Thread
  • Naming a Thread
  • Pausing a Thread
  • Creating a Thread with the Runnable Interface
  • Creating a Thread with the Thread Class
  • Creating Multiple Threads
  • Joining Threads
  • Checking if a Thread Is Alive
  • Setting Thread Priority and Stopping Threads
  • Synchronizing
  • Communicating between Threads
  • Suspending and Resuming Threads
  • Creating Graphics Animation with Threads
  • Eliminating Flicker in Graphics Animation Created Using Threads
  • Suspending and Resuming Graphics Animation
  • Using Double Buffering
  • Simplifying Producer-Consumer with the Queue Interface
  • Implementing Concurrent Programming
  • Simplifying Servers Using the Concurrency Utilities
  • Knowing Various Concurrency Utilities
  • Learning about the Java.util.concurrent Package
  • Learning about the Java.util.concurrent.locks Package
  • Learning about the Java.util.concurrent.atomic Package
  • Summary
Module 9: Working with Collections Framework
  • The Collection Interfaces
  • The Collection Classes
  • The Map Interfaces
  • The Map Classes
  • Collections Framework Enhancements in Java SE 8
  • Using the Collection Interface
  • The Queue Interface
  • The List Interface
  • The Set Interface
  • The SortedSet Interface
  • Using the Collection Classes
  • Using the Comparator Interface
  • Using the Iterator Interface
  • Using the ListIterator Interface
  • Using the AbstractMap Class
  • Using the HashMap Class
  • Using the TreeMap Class
  • Using the Arrays Class
  • Learning the Fundamentals of Enumerations
  • The Legacy Classes and Interfaces
  • Using the Aggregate Operations
  • Using the Java.util.function Package
  • Summary
Module 10: Creating Packages, Interfaces, JAR Files and Annotations
  • Packages and Interfaces
  • JAR Files
  • The Java API Package
  • The Java.lang Package
  • Basics of Annotation
  • Other Built-In Annotations
  • Creating a Package
  • Creating Packages that have Subpackages
  • Creating an Interface
  • Implementing an Interface
  • Extending an Interface
  • Using Interfaces for Callbacks
  • Performing Operations on a JAR File
  • Marker Annotations
  • Single Member Annotations
  • Summary
Module 11: Working with Java Beans
  • What is Java Bean?
  • Advantages of Java Bean
  • Introspection
  • Persistence
  • Customizers
  • Understanding Java Beans
  • Designing Programs Using Java Beans
  • Creating Applets that Use Java Beans
  • Creating a Java Bean
  • Creating a Bean Manifest File
  • Creating a Bean JAR File
  • Creating a New Bean
  • Adding Controls to Beans
  • Giving a Bean Properties
  • Design Patterns for Properties
  • Using Simple Properties
  • Designing Patterns for Events
  • Learning Methods and Design Patterns
  • Creating Bound Properties
  • Giving a Bean Methods
  • Giving a Bean an Icon
  • Creating a BeanInfo Class
  • Setting Bound and Constrained Properties
  • Implementing Persistence
  • Using the Java Beans API
  • Learning the Basics of an Event
  • Using the Java Beans Conventions
  • Using the Remote Notification and Distributed Notification
  • Using Beans with JSP
  • Summary
Module 12: Networking and Security with Java
  • Basics of Networking
  • Sockets in Java
  • Client-Server Networking
  • Proxy Servers
  • Internet Addressing
  • Domain Name Service
  • Inet4Addresses and Inet6Addresses
  • The URL Class
  • The URI Class
  • URI Syntax and Components
  • TCP/IP and Datagram
  • Blackboard Assignment Retrieval Transaction
  • Understanding Networking Interfaces and Classes in the Java.net Package
  • Understanding the InetAddresses
  • Caching InetAddress
  • Creating and Using Sockets
  • Creating TCP Clients and Servers
  • Understanding the Whois Example
  • Submitting an HTML Form from a Java Program
  • Handling URL
  • Using the URLConnection Objects
  • Working with Datagrams
  • Datagrams Server and Client
  • Working with BART
  • Learning about the Java.security Package
  • Summary
Module 13: Implementing Event Handling and Wrappers in Servlets 3.1
  • Introducing Events
  • Introducing Event Handling
  • Working with the Types of Servlet Events
  • Developing the onlineshop Web Application
  • Introducing Wrappers
  • Working with Wrappers
  • Summary
Module 14: Java Server Pages 2.3 and Expression Language 3.0
  • Introducing JSP Technology
  • Listing Advantages of JSP over Java Servlet
  • Exploring the Architecture of a JSP Page
  • Describing the Life Cycle of a JSP Page
  • Working with JSP Basic Tags and Implicit Objects
  • Working with Action Tags in JSP
  • Exploring EL
  • Using Custom Tag Library with EL Functions
Module 15: Implementing Filters
  • Exploring the Need of Filters
  • Exploring the Working of Filters
  • Exploring Filter API
  • Configuring a Filter
  • Creating a Web Application Using Filters
  • Using Initializing Parameter in Filters
  • Manipulating Responses
  • Discussing Issues in Using Threads with Filters
  • Summary
Module 16: Java EE Design Patterns
  • Describing the Java EE Application Architecture
  • Introducing a Design Pattern
  • Discussing the Role of Design Patterns
  • Exploring Types of Patterns
  • Summary
Module 17: Implementing SOA using Java Web Services
  • Section A: Exploring SOA and Java Web Services
  • Overview of SOA
  • Describing the SOA Environment
  • Overview of JWS
  • Role of WSDL, SOAP and Java/XML Mapping in SOA
  • Section B: Understanding Web Service Specifications to Implement SOA
  • Exploring the JAX-WS 2.2 Specification
  • Exploring the JAXB 2.2 Specification
  • Exploring the WSEE 1.3 Specification
  • Exploring the WS-Metadata 2.2 Specification
  • Describing the SAAJ 1.3 Specification
  • Working with SAAJ and DOM APIs
  • Describing the JAXR Specification
  • JAXR Architecture
  • Exploring the StAX 1.0 Specification
  • Exploring the WebSocket 1.0 Specification
  • Describing the JAX-RS 2.0 Specification
  • Exploring the JASON-P 1.0 Specification
  • Section C: Using the Web Service Specifications
  • Using the JAX-WS 2.2 Specification
  • Using the JAXB 2.2 Specification
  • Using the WSEE and WS-Metadata Specifications
  • Implementing the SAAJ Specification
  • Implementing the JAXR Specification
  • Implementing the StAX Specification
 
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