Core Java training typically refers to a comprehensive course that covers the fundamentals of Java programming language. It includes topics such as basic syntax, data types, control flow, classes and objects, inheritance, polymorphism, exception handling, input/output, and basic Java libraries. Core Java training is essential for beginners who want to learn Java programming from scratch and build a strong foundation in Java development. It is also beneficial for experienced programmers looking to refresh their Java skills or transition to Java from other programming languages. Core Java training usually includes hands-on coding exercises and projects to reinforce learning.