Java is one of the well-known and widely used programming languages, beginner has to start the journey with Core Java and then towards the Advanced Java. The Java is a general-purpose programming language that is based on the OOPs concept. Java is a platform-independent and robust programming language. The principle followed by Java is WORA that says Write Once, Run Anywhere. Java is complete in itself, but for the beginners, it is natural that the beginner must begin with the core concepts of Java. In actual, Java has different editions, where Core Java is one of the parts of an edition. Concepts Covered in Core Java:

The following concepts are some of the major basic concepts of Java through which a beginner should go through: ✔ Java Fundamentals
✔ OOPs Concepts
✔ Overloading & Overriding
✔ Inheritance with Interface and Abstract Class
✔ Exception Handling
✔ Packages and Collections
✔ Multithreading
✔ Swings and Applets
✔ JDBC (Basic Database Connections)

Although these major concepts hold its own depth, after gaining and implementing the best knowledge in the basic Java concepts, one can move towards the advanced Java version as the advanced section of the Java is quite interesting but can only be understood when the core concepts of Java are clear