Blog Archives

3 Java class loading interview Q&As

Q1. What do you know about Java class loading? Explain Java class loaders?
A1. Class loaders are hierarchical. Classes are introduced …

Read more ›

Java abstract classes Vs interfaces Interview Q&As

Q1. When to use an abstract class over an interface? Q2. What is a diamond problem? Q3. Does Java support multiple … … Read more ›...

Java classes and interfaces are the building blocks

Q1. Which class declaration is correct if A and B are classes and C and D are interfaces? a) class Z … … Read more ›...

Java & Big Data Categories