2. 1. Introduction to Java
2. What is Java
3. Object-Oriented Programming
4. java development tools
5. java Application
6. java's key features
7. java Advantage
8. Why Java
3. Java is a popular programming language that has been
around since the mid-1990s. It was created by James
Gosling at Sun Microsystems, which was later acquired
by Oracle Corporation. Java is known for its platform
independence, meaning that it can run on any system
that has a Java Virtual Machine installed.
Java is widely used in a variety of applications, including
web development, mobile app development, and
enterprise software development. Its popularity is due in
part to its ease of use, as well as its large and active
community of developers who contribute to its ongoing
development and improvement.
Introduction to Java
4. What is java
Java is a high-level, object-oriented
programming language known for its
platform independence, robustness,
and versatility. It was developed by
James Gosling and released by Sun
Microsystems in 1995. Java programs
are executed on a Java Virtual Machine
(JVM), enabling them to run on
multiple platforms without
modification. Java is widely used for
web development, mobile app
development, and various other
application domains.
5. Object-oriented programming (OOP) is a programming
paradigm that is based on the concept of objects, which
can contain data and code to manipulate that data. In
Java, everything is an object, and all code is written
within classes. This makes Java an ideal language for
OOP.
The key principles of OOP in Java include encapsulation,
inheritance, and polymorphism. Encapsulation is the
practice of hiding data within an object, so that it can
only be accessed through methods defined within the
object. Inheritance allows objects to inherit properties
and behaviors from parent classes, while polymorphism
allows different objects to behave in different ways
depending on their context.
Object-Oriented Programming
6. java development tools
Java has a wide range of tools and frameworks that can be
used for development. One popular tool is Eclipse, which
provides an integrated development environment (IDE) for
Java. It offers features such as code completion,
debugging, and refactoring.
Another tool that is commonly used in Java development is
Apache Maven. This is a build automation tool that can be
used to manage dependencies and build projects. It uses a
declarative approach to describe builds and can be used
with a variety of build systems.
When choosing tools and frameworks for Java development,
it is important to consider factors such as ease of use,
scalability, and community support. Some tools may be
better suited for small projects, while others may be more
appropriate for large-scale enterprise applications.
7. Java Application
• Web Development (Java EE)
• Android App Development
• Enterprise Software
• Scientific Computing
• Game Development
• Financial Services
9. java's key features
• Robust: Strong memory management
and exception handling.
• Platform Independent: Write once, run
anywhere.
• Object-Oriented: Emphasizes on objects
and classes.
• Multithreaded: Support for concurrent
programming.
• Secure: Built-in security features.
• Portable: No implementation-dependent
features.
• High Performance: Just-In-Time (JIT)
compilation.
10. Java is one of the most popular
programming languages in use today,
and for good reason. Its versatility
and compatibility have made it a
favorite among developers and
businesses alike.
One of the key benefits of Java is its
ability to run on multiple platforms,
making it an ideal choice for cross-
platform development. Additionally,
Java's strong security features and
robust libraries make it a reliable
and secure option for building
complex applications.
Why Java