Java is a programming language that produces software for multiple platforms. This Slide covers Basic and fundamentals of Java, Why Java most used in IT company, What are Job Opertunities for Java, How Java overtage a business Strategies.
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Overview of Java
1.
2.
3. 1.Fundamentals of JAVA
2. Java programming for beginners
3. Difference between Core Java and Advanced Java
4. Why Java is most important in IT company
5. Where do we learn Java?
6. How Java Is Going To Change Your Business
Strategies.
7.Is Java is the Best language for Artificial
Intelligence?????
8. Java Job opportunities
4.
5. Java
Java is one of the most popular programming languages
used to create Web applications and platforms.
It was designed for flexibility, allowing developers to
write code that would run on any machine, regardless of
architecture or platform.
6. Components of Java
JVM (Java Virtual Machine)
It is an abstract machine. It is a specificationthatprovides
a run-time environmentin which Java bytecode can be executed.
JRE (Java Runtime Enviroinment)
JRE refers toa runtimeenvironmentin which Java bytecode can
be executed.
JDK(Java DevelopmentKit)
It is the tool for compile, document, Package Java programmers
8. Basic concept oops
Oops:
Object Oriented Programming is a programming concept
that works on the principle that objects are the most important
part of your program.
Class
The class is a group of similar entities. It is only an
logical component and not the physical entity.
Object
An Object contains both the data and the function,
which operates on the data.
11. Classification of OOPS
Unstructured Programming Languages
Structured Programming Languages
Object Oriented Programming
12. variables
Defn:
A variable can be thought of as a container which holds
value for you, during the life of a Java program
Classes of Variables:
Variable Declaration
Variable Initialization
13. Types of variables
1. Local Variables - Declared inside the body of a method
2. Instance Variables - Outside a method declaration
3. Static Variables - Static variables are initialized only once, at
the start of the program execution.
14. Properties of Java
Platform independent
Object-orientated programming language
Strongly-typed programming language
Interpreted and compiled language
Automatic memory management
17. Core Java Advanced Java
Core Java is a single tire
architecture
Core Java is Standard
edition
java.lang.* is core Java
packages.
Core Java used for General
applications.
Advanced Java is a two tire
Architecture.
Advanced Java is an
Enterprise Edition.
javax.servlet.* is an
advanced Java packages
Advanced Java used for Web
and Mobile applications.
18. Core Java Advanced Java
Core Java has OOPs, Data
types, exceptional handling,
array list.
Java Standard Edition (Java
SE) comes under core Java.
Core Java" is used in some
technologies java VM,
CORBA, Hotspot VM, Tools
API, XML etc
The Advanced Java covered
Swing, Socket programming,
thread, Collection Objects.
Java Enterprise Edition
(Java EE) comes under the
Advanced Java.
"Advanced Java" is used in
some set of
technologies APIs in Java
EE, Servlet Programming,
Web Services, Java
Persistence API
19.
20. Surprises Uses in Java
Working the cloud- Java to build cloud-based application
services, web APIs, client applications
Research space at NASA- NASA uses Java for a number of
interesting applications.
Working in IoT - Many wearable technology applications are
built-in Java
Working in virtual calls - One such project is Doctor online,
which relies on Java in its application modules.
21. Performing big data analysis - Java is also used for many
data analytics tasks, especially in ETL
(Extract/Transform/Load) processes.
Name on the big screen - Special effects firms like Industrial
Light and Magic (ILM) rely on Java for all sorts of software-
based wonders.
Making games - A lot of popular video games today such as
RuneScape are run in Java.
Going back to school - A large number of schools and
educational institutions rely on custom Java applications.
23. Why Java more popular
Write software on one platform and run it on virtually any
other platform.
Create programs that can run within a web browser and access
available web services.
Develop server-side applications for online forums, stores,
polls, HTML forms processing, and more.
Combine applications or services using the Java language to
create highly customized applications or services.
25. Python VS Java
Python is a more productive language than Java. Python is an
interpreted language with elegant syntax and makes it a very
good option for scripting and rapid application development in
many areas.
Java has an illustrious journey since its inception and has been
the backbone of many new products and services that have
surprised the world. As far as the future of Java is concerned, it
will be intertwined with that of agile and lean thinking that will
allow the Java community to continue to innovate and deliver
quality systems that address business needs.
26. Java is Everywhere
All over the World - On all platforms and devices and in all
countries around the world. It enables developers to make
programs work just about anywhere. And it inspired the
evolution
Most pervasive platform - whether you want to use it for
developing smart card applications, mobile applications, or
server-side enterprise applications. One cannot think of any
programming language with a more comprehensive set of APIs.
28. why should we learn Java
It's the most commonly used programming language in the
world
It prepares you for many open, well-paying developer
jobs.
It's a good precursor to learning other programming
languages
Java is used in the real world.
29. Benefits of Java
Learning to code from point zero- It's quite easy to learn. You
don’t even need to be a pro in math to start coding.
Starting as a junior developer-As a learner, you write your
own routines to get plenty of practice and make sense of the
programming process.
Boosting your career- Java enhanced with new features, which
answer the needs of modern enterprises, startups, medium and
small-sized businesses. That puts Java developers in high
demand.
30. Top FIVE Books for Java
Effective Java, Third Edition by Joshua Bloch
Head First Java, 2nd Edition by Kathy Sierra & Bert Bates
Grokking Algorithms: An illustrated guide for programmers
and other curious people by Aditya Y. Bhargava
Java Concurrency in Practice by Brian Goetz with Tim
Peierls
Java Performance: The Definite Guide by Scott Oaks
Note: These books are useful for Java fresher and experienced
people also.
31. Best Java tutorial Websites:
Java tutorials for beginners
Java tutorials for advanced programmers.
32. Best Java training institute in
Chennai:
So many institutes are offering Java. But very important is we
want Job after completing the course. So be careful. Then course
certification also very important. I hope Credo systemz is the best
Training institute for Java.
Benefits for Java certification
Improve and update your knowledge of the Java language
Will be positive for your career.
Show your talent to the real world
Note: Credo systemz provide the recognized Java certification.
33. How Java Is Going To
Change Your Business
Strategies.
35. Why Java Is Going To Change
Business Strategies
Innovation Platform
Sense of Security & Reliability
Multithreading feature to save time
Subtracted the code
Increases Programmer Efficiency
A Graphics Toolkit
Note: These things are not cover in other languages. So only the
java is going to change Business Strategies.
39. Skills Required for Java Jobs
Enterprise Java Beans
Oracle database SQL and JDBC
XML,X query, XSL
J2EE framework
JSP
Service-Oriented Architecture
Java-based Web services
Java Servlet Technology
40. Fresher Java Job Interview
Questions What is difference between JDK,JRE and JVM?
How many types of memory areas are allocated by JVM?
What is JIT compiler?
What is platform?
What is the main difference between Java platform and other
platforms?
What gives Java its ‘write once and run anywhere’ nature?
What is classloader?
What is the default value of the local variables?
Why Java does not support pointers?
Can I import same package/class twice? Will the JVM load the
package twice at runtime?
41. Note:
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