What is a ClassLoader in Java? A classloader in Java is a subsystem of Java Virtual Machine, dedicated to loading class files when a program is executed; ClassLoader is the first to load the executable file. Java has Bootstrap, Extension, and Application classloaders. A `ClassLoader` in Java is a fundamental part of the[ ► ]

Java is not considered a pure object-oriented language for a few key reasons: Primitive Data Types: In a pure object-oriented language, everything is an object. However, Java has primitive data types (like int, float, boolean, byte, char, etc.) that are not objects. These primitive types are used for performance reasons, as they are[ ► ]