What happens if we do not override hashcode() and equals() in hashmap?
What happens if we do not override hashcode() and equals() in hashmap? In this post, let us understand what is the use of equals() and hashcode(), why it is important…
How does hashmap work Internally | Internal Working of HashMap
How does hashmap work Internally – Explained: In this post, let us see how hashmap works internally – How the elements are added and retrieved from buckets. Features of HashMap:…
Strings are Immutable | StringBuilder | StringBuffer
Strings are Immutable | StringBuilder | StringBuffer: In this post, let us discuss about Strings, why Strings are immutable where as StringBuilder and StringBuffer are mutable. What is Immutability? When…
Coupling | Tight Coupling vs Loose Coupling | Examples
Coupling | Tight Coupling vs Loose Coupling | Examples What is Coupling? When one object is used by another object it is known as Coupling. In general, it is based…
Docker-Compose | Configure docker-compose | Container to Container Communication With Example
Docker-Compose | Configure docker-compose | Container to Container Communication With Example: In our previous posts, we have seen how to Dockerize SpringBoot Application (here) and How to pull and push…