Common Interview Questions & Practical Problems

Java remains one of the most popular, robust, and secure programming languages in the software industry. Understanding Java requires a deep dive into its unique architectural components, which ensure platform independence and high performance. The Java Virtual Machine (JVM), JRE, and JDK

. Known for his deep technical clarity and "student-friendly" teaching style at Durga Software Solutions

Interfaces containing exactly one abstract method (e.g., Runnable , Callable ). They can be annotated with @FunctionalInterface to guarantee structural compliance. Stream API

A signature topic in Durga Sir’s course.