Kunal Krishna

@kunalkrishna85

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keep walking...

NC, USAJoined January 2026

About

I am Java/SpringBoot developer. Currently pursuing MSCS from UNC Chapel Hill. Actively looking for Job.

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Nothing here yet.

Kunal Krishna's blogs

Java Blogscompator-vs-comparable.hashnode.dev2 posts

Data Structures & Algorithmthe-dsa.hashnode.dev2 posts

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Recently published

KKKunal Krishnathe-dsa.hashnode.devMay 25 · 10 min read

DAG - Directed Acyclic Graph

TL’DR : in a DAG, a mutually unreachable pair (s, t) can exist if and only if there exists at least one topological level with at least two nodes. An interesting question came during the Course COMP-5

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KKKunal Krishnacompator-vs-comparable.hashnode.devFeb 18 · 2 min read

Collection Framework : Java

to be completed soon… To do : List, Queue, Set Done : Map Broadly there exist 5 distinct group of maps based on their internal behavior & guarantees : General Purpose (Hashing) Ordered (Insertion Sequence) Sorted (Natural / Custom Ordering) ...

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KKKunal Krishnathe-dsa.hashnode.devFeb 5 · 5 min read

Monotonic Stack

In this article I intend to provide greater insight on how to Construct a MS. Many articles exist explaining its applicability. But constructing MS might be confusing. However, after reading this article reader will be able to intuitively design diff...

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KKKunal Krishnacompator-vs-comparable.hashnode.devJan 2 · 13 min read

Comparison in Java : Comparator vs Comparable

Learning Objectives : Understanding broader architectural support in Java to facilitate custom object comparison/sorting Two Specific Interfaces in depth : Comparable<T> vs Comparator<T> Why Comparator is usually preferred ? Implementation examp...

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Kunal Krishna

About

Available for

Kunal Krishna's blogs

Recently published

DAG - Directed Acyclic Graph

Collection Framework : Java

Monotonic Stack

Comparison in Java : Comparator vs Comparable

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Kunal Krishna

About

Available for

Kunal Krishna's blogs

Recently published

DAG - Directed Acyclic Graph

Collection Framework : Java

Monotonic Stack

Comparison in Java : Comparator vs Comparable