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javaSyllabus

Java Image

Is Java worth learning?

Java is still a relevant programming language that shows no sign of declining in popularity and, for that reason, is worth learning. Most developers pick it up as their first programming language because it’s reasonably easy to learn.

Since the language has an English-like syntax with minimum special characters, Java could be learned in a short time span and used to build suitable applications.

Java is part of a family of languages that are heavily influenced by C++ (as well as C#), therefore learning Java offers vast benefits when learning these other two languages.

 

Critical areas in which Java is used:

  1. Building Android apps

Although there are other ways to make Android apps, most of the applications are written in Java using Google’s Android API. Although Android uses difference JVM and packaging methods, the code is still predominantly Java.

  1. Java web applications

Many government, healthcare, insurance, education, and defence departments have their web applications built in Java. A significant example of this is Google’s Gmail.

  1. Software tools

Many useful software and development tools are written and developed in Java, e.g. Eclipse, IntelliJ IDEA and NetBeans IDE.

  1. Scientific applications

Nowadays, Java is often the default choice for scientific applications, including natural language processing. The main reason for this is because it is safe, portable, maintainable and comes with better high-level concurrency tools than C++ or any other language.

Depending on your career prospects, Java can take you on different career paths. Whether you’re interested in building games, mobile applications, desktop applications, or web applications, Java is capable of working in these environments.

Regardless of whether or not you use Java in your career or job role, you’ll learn syntax, ideas, patterns, tools, styles, and idiosyncrasies that are readily transferable to other programming languages as well.

Learning Java will give you the opportunity to see how one language does something in comparison to another. To make learning of Java simpler, it is divided logically like below.

  • Core Java
  • Advanced Java
  • Java Enterprise Edition (Java EE)  formerly known as J2EE

Frameworks:

  • Spring
  • Hibernate
  • Struts

XML/Web Services

Web Technologies:

  • HTML5
  • CSS3
  • JavaScript
  • Angular JS
  • NodeJS
  • JQuery with Json
  • Bootstrap

Reports:

  • Jasper Reports
coreJava

Introduction to Computer Languages

Need for Computer Languages

Java vs other languages

Platform dependency and it’s relation to Java Development Kit (JDK)

Introduction to Java

History of Java

Structure of Java-application

Introduction to Variable, Blocks and Methods:

  • Introduction to variables and identifiers
  • Type of variables
  • Memory construction and destruction of variables
  • Rules to create variables
  • Naming conventions of variables
  • Blocks introduction
  • Methods introduction.

  Data types:

  • Primitive types
  • Reference types

Operators

Control Statements

Methods:

  • Introduction
  • Need
  • Classification of functions

First java application:

  • Class keyword and its naming convention
  • Class naming convention
  • Why main has public access
  • Why main has static modifier
  • Why return type is void
  • System.out.println() description
  • Naming convention of methods and packages.
  • Overloading main method
advancedJava

Multi-threading:

  • Introduction to multi tasking and multi threading
  • Drawbacks in multi tasking
  • Creation of Thread
  • Life cycle of Thread
  • Threads Using Thread class
  • Threads Using Runnable interfaces
  • Constructors of Thread class.
  • Time management in multi tasking and multi threading
  • Priorities of threads.
  • Naming to threads via constructors or via setters.
  • Synchronization
  • sleep(), join(), wait(), notify(), notifyAll()

Garbage collection:

  • Introduction GC
  • Introduction to daemon threads
  • Drawbacks of
  • finalize()
  • gc()
  • gc()
  • exec();
  • JVM memory increment
  • Process class.

  IO streams:

  • Byte streams
  • Character streams
  • Object streams (Serialization)
  • Why serialization
  • Transient keyword
  • What is persistent state of an object
  • Marker interface
  • Can we serialize subclass object if super class is not Serializable
  • Can we serialize an object contains reference to non-Serializable object
  • Byte array streams
  • Data input streams
  • Buffered streams
  • Working with files

Reflection API

Inner classes:

  • Static inner classes
  • Non-static inner classes
  • Local inner classes
  • Anonymous inner classes

Strings:

  • Introduction to Strings
  • Creating objects to String
  • String library functions
  • Mutable objects
  • Immutable objects
  • String/StringBuffer/StringReader
  • Creating Immutable class

Networking:

  • Introduction to network programming
  • Classes and interfaces of java.net packages
  • Difference between TCP and UDP
  • What is Port?
  • What is IP address? Types?
  • What is Socket?
  • Finding IP address.
  • Creating URLs
  • Exception classes of java.net packages
  • Reading data from URL’s openStream(from local server, global server)
  • Writing data through URLConnection
  • InetAddress class
  • UDP classes introduction
  • Simple chatting program

Collections:

  • Introduction to collections
  • Introduction to generics
  • Difference between arrays and Collections
  • Collection interfaces
  • List Interface
  • Set Interface
  • Map Interface
  • Queue Interface
  • Time management over collection classes
  • Memory management over collection classes
  • Deleting duplicate objects from collections
  • equals() method
  • Iterator class
  • Enumeration class
  • for-each loop
  • influence of generics in collections

 AWT, Applets and Swings:

  • Introduction to AWT
  • AWT library classes and interfaces
  • Introduction to Applets
  • Creating Applets
  • Applet Life cycle
  • Drawing shapes and colors in Applets
  • Creating components
  • Layout Management
  • Event Listeners
  • Calculator program
  • Introduction to swings
  • Swings API
  • Light weight components(independent)
  • Heavy weight components(native or dependant)
  • Components creation
  • Menu creation
  • Sub menu creation
  • Setting Listeners to components
  • Project Creation using APPLETS, SWINGS, AWT and JDBC

JAVA EE (Formerly known as J2EE)

The Enterprise version of Java has a much larger usage of Java, like development of Web ServicesNetworkingServer Side Scripting and other various web based applications using JSPs, Servlets, Applets etc.

J2EE is a Community Driven Edition, i.e. there is a lot of continuous contribution from industry experts, Java developers and other open source organizations.

J2EE uses many components of J2SE, as well as has many new features of it’s own like Servlets, JavaBeans & Java Message Services adding a whole new functionalities to the language.

J2EE uses HTML, CSS, JavaScript etc., to create Web pages and Web services. It’s also one of the most widely accepted Web Development Standard.

There are also many languages like .NET & PHP, which can do that work, but what distinguishes it from other languages is the versatility, compatibility and security features, which are not that much prominent in other languages.

Nowadays, developers are going more towards this edition, as it more versatile and web friendly that it’s other counterparts.