Author

Rajkumar

@rkrajkumarrestaurant

RA Rajkumar · Javarevisited

What Happens Internally When You Put Data into a HashMap?

Imagine you are in a Java interview, and the interviewer asks:

Jul 07, 2026 · 7 min read · 34 claps paywalled #java-interview-questions #hashmap-in-java #hashmap

RA Rajkumar · Javarevisited

One of the most intimidating moments in a System Design interview is hearing a simple instruction:

Jun 25, 2026 · 7 min read · 0 claps paywalled #system-design-interview #software-engineering #scalability

AI TCH

RA Rajkumar · Javarevisited

Artificial Intelligence has changed the way developers write software.

Jun 22, 2026 · 5 min read · 0 claps paywalled #artificalintelligence #chatgpt #claude-code

AI TCH

RA Rajkumar · Javarevisited

Artificial Intelligence is changing software engineering faster than most of us imagined.

May 23, 2026 · 4 min read · 0 claps paywalled #ai #software-engineering #ai-automation

LIF

When it comes to Indian food in Enfield, there’s no better place to experience authentic, vibrant flavours than Rajkumar in Bush Hill Park…

Aug 31, 2025 · 3 min read · 0 claps #enfield-indian-restaurant #rajkumar-ind-restaurant #local-indian-restaurants

SOC SPT

When it comes to preparing for the Common Law Admission Test (CLAT), which is crucial for securing admission into the top National Law…

Jun 06, 2025 · 2 min read · 0 claps #bestclatcoachingindelhi

SOC SPT

When selecting a good CLAT (Common Law Admission Test) coaching institute in Delhi, several key qualities must be considered to ensure…

Jun 09, 2025 · 2 min read · 0 claps #bestclatcoachingindelhi