Code Pumpkin

Basic Java


Basic java

  1. final Keyword
  2. transient Keyword
  3. Access Modifiers (public, private, protected and default scope)
  4. What is the use of private constructor in java?
  5. String Pool
  6. interface VS abstract class
  7. Wrapper Classes – Autoboxing and Unboxing,  IntegerCache and Immutability
  8. How To Create Immutable Class In Java
  9. Marker Interface Interview Questions
  10. Method Overloading Interview Questions
  11. Method Overriding Interview Questions

JVM Internals

Most of the Naive Java developers don’t care about memory leaks or tuning, unless something is going wrong in their production env. This makes JVM Internal a very difficult subject to excel in during interviews. Even worse, interviewers love to ask questions about it.

JVM internals is like Taboo for many Programmers, but its easy once you start learning it. Being a java developer it is expected from us to have basic knowledge of JVM architecture, as it enables us to write code more efficiently. Here is the codepumpkin's series of articles on JVM Internals.

  1. JVM Architecture Introduction
  2. Class Loader SubSystem
  3. Types of Class Loader and Delegation Algorithm
  4. Java Program to find from where java class is loaded
  5. What Is Magic Number CAFEBABE In Java Class File?

Total Post : 88
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