Technical Blog

Reverse Linked List Recursively in Java

2 minute read

Recursive linked-list reversal is elegant because it shifts the pointer work to the unwind phase of the call stack. The code is short, but the logic only fee...

Reverse Linked List Iteratively in Java

2 minute read

DSA Java

Reversing a linked list is one of the cleanest pointer problems in DSA. It looks simple, but it teaches an important lesson: when we change links in place, t...

Create a Custom Lock in Java

2 minute read

Java Concurrency

This deep dive explains the problem model, concurrency contract, Java implementation, and real-world caveats you should know before using this pattern in pro...

Double-Checked Locking Singleton Pattern in Java

2 minute read

Java Concurrency

Double-checked locking provides lazy initialization with lower synchronization overhead after initialization.

CyclicBarrier in Java

2 minute read

Java Concurrency

CyclicBarrier lets a fixed number of threads wait until all participants reach the same synchronization point.

Technical Blog

Recent posts

Reverse Linked List Recursively in Java

Reverse Linked List Iteratively in Java

Create a Custom Lock in Java

Double-Checked Locking Singleton Pattern in Java

CyclicBarrier in Java