An Introduction :

Java is one of the most popular and widely used programming languages in the world. It is a general-purpose, object-oriented, platform-independent, and robust language that can be used to develop various types of applications, such as desktop, web, mobile, games, and more.

However, Java is not a single language, but a collection of different editions that cater to different needs and domains. One of these editions is Java SE (Java Standard Edition), which is the foundation for all other Java editions. Java SE provides the core functionality and libraries that are essential for any Java application.

Core Java is the term used to refer to the basic concepts and features of Java SE that every Java programmer should know and master. Core Java covers topics such as.

 

Java Fundamentals :

This includes the basic syntax, data types, operators, control statements, arrays, and command-line arguments in Java.

 

OOPs Concepts :

This includes the principles of object-oriented programming in Java, such as classes, objects, methods, constructors, inheritance, polymorphism, abstraction, and encapsulation.

Overloading & Overriding :

This includes the concepts of method overloading and overriding in Java, which are used to achieve polymorphism and dynamic binding.

Inheritance with Interface and Abstract Class:

This includes the concepts of inheritance in Java, which is used to achieve code reuse and specialization. It also includes the concepts of interface and abstract class in Java, which are used to achieve abstraction and multiple inheritance.

Targeted Audience Engagement:

With the proper planning and execution Digital marketing allows us to precisely target our desired audience based on demographics, interests, behaviours, and more. This type of targeted approach ensures that marketing will help in increasing the chances of engagement and conversion.

Exception Handling :

This includes the concept of exception handling in Java, which is used to handle errors and anomalies that may occur during the execution of a program. It also includes the keywords try, catch, finally, throw, and throws in Java.

Packages :

This includes the concept of packages in Java, which are used to organize classes into namespaces and provide access control.

Collections :

This includes the concept of collections in Java, which are data structures that can store and manipulate multiple objects of the same or different types. It also includes the interfaces and classes in the java.util package that implement various collections, such as List, Set, Map, Queue, etc.

Multithreading :

This includes the concept of multithreading in Java, which is used to execute multiple tasks concurrently within a single program. It also includes the classes and methods in the java.lang and java.util.concurrent packages that support multithreading, such as Thread, Runnable, ExecutorService, Future, etc.

Swings :

This includes the concept of swings in Java, which are graphical user interface (GUI) components that can be used to create desktop applications with rich and interactive features. It also includes the classes and methods in the javax.swing package that implement various swings components, such as JFrame, JButton, JLabel, JTextField, etc. .

Applets :

This includes the concept of applets in Java, which are small programs that can run within a web browser or an applet viewer. It also includes the classes and methods in the java.applet package that support applets development and execution.

JDBC (Basic Database Connections) :

This includes the concept of JDBC (Java Database Connectivity) in Java, which is an API that allows Java programs to connect and interact with various types of databases. It also includes the classes and methods in the java.sql package that implement JDBC functionality.

Core Java is not different from Java :

rather it is a subset of Java SE that covers the essential concepts of Java programming language. Learning Core Java is important for any aspiring or experienced Java developer as it provides a solid foundation for further learning and development in other Java editions or frameworks.

Core Java is also a prerequisite for many certification exams or courses related to Java programming language. Therefore, mastering Core Java can help you enhance your skills and knowledge as well as boost your career prospects as a Java developer.