Core Java: Core Java is the part of Java programming language that is used for creating or developing a general-purpose application. ... To develop online application and mobile application. Without Core Java no one can develop any advanced java applications.

What is Java and core Java?

Java is a very famous language that is based on the object-oriented programming concepts. It is the successor of the C and C++ languages. ... Core Java is a term used by Sun Microsystems to refer to the Java to standard edition J2SE. This is the parent of all other editions of Java.

Why is core Java used?

Java has mainly three sub categories : Java Standard Edition (JSE) or Core Java. Java Enterprise Edition (JEE) Java Mobile Edition (JME)