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Thirupathi Pavan Sai

Apr 24, 2025

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Java Interview Questions

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What are the differences between sequential and parallel streams?

100 Days 100+ Interview Questions

Apr 17

What are the differences between sequential and parallel streams?

Apr 17

In

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Thirupathi Pavan Sai

Java 8 — Optional API in Detail

100 Days 100+ Interview Questions

Apr 21

Java 8 — Optional API in Detail

Apr 21

In

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Why 1==1 true But 128==128 false in Java

Let’s consider the following code snippet

Aug 14, 2024

Aug 14, 2024

In

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How is the PriorityQueue implemented in Java?

100 Days — 100+ Interview Questions

Apr 10

How is the PriorityQueue implemented in Java?

Apr 10

In

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Thirupathi Pavan Sai

Query by Example: Simplifying Queries in Spring Data JPA

No More Complex Queries

Sep 20, 2024

Query by Example: Simplifying Queries in Spring Data JPA

Sep 20, 2024

In

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Scenes Behind Spring Boot Application Startup

How Spring Boot Internally Starts Up

Dec 9, 2024

Scenes Behind Spring Boot Application Startup

Dec 9, 2024

In

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Thirupathi Pavan Sai

How does HashMap handle a null key internally?

100 Days — 100+ Interview Questions

Apr 8

How does HashMap handle a null key internally?

Apr 8

In

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What is the difference between fail-fast and fail-safe iterators?

100 Days — 100+ Interview Questions

Apr 7

What is the difference between fail-fast and fail-safe iterators?

Apr 7

In

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Why hashCode() and equals() should be overridden together?

100 Days 100+ Interview Questions

Apr 6

Why hashCode() and equals() should be overridden together?

Apr 6

In

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Thirupathi Pavan Sai

Why does IndexOf Array start from 0?

Every Programmer should know this!

Jan 2

Why does IndexOf Array start from 0?

Jan 2

In

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Thirupathi Pavan Sai

GraalVM vs JVM

Everything in Detail

Jan 8

GraalVM vs JVM

Jan 8

In

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Thirupathi Pavan Sai

ArrayList vs LinkedList in Java: A Deep Dive into Performance

100 Days 100+ Interview Questions

Apr 4

ArrayList vs LinkedList in Java: A Deep Dive into Performance

Apr 4

In

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Thirupathi Pavan Sai

How HashMap Ensures Constant-Time Complexity for Lookups in Java

100 Days 100+ Interview Questions

Mar 28

How HashMap Ensures Constant-Time Complexity for Lookups in Java

Mar 28

In

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What is the diamond problem in Java, and how does it handle it?

100 Days 100+ Interview Questions

Mar 25

What is the diamond problem in Java, and how does it handle it?

Mar 25

In

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Thirupathi Pavan Sai

Can an interface Have a Constructor? Why or why not?

100 Days 100+ Interview Questions

Mar 22

Can an interface Have a Constructor? Why or why not?

Mar 22

In

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Thirupathi Pavan Sai

Things that everyone should know about Abstract Classes vs Interfaces in Java

100 Days 100+ Interview Questions

Mar 22

Things that everyone should know about Abstract Classes vs Interfaces in Java

Mar 22

In

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Implementing Singleton Pattern in Java and Common Pitfalls

100 Days 100+ Interview Questions

Mar 20

Implementing Singleton Pattern in Java and Common Pitfalls

Mar 20

In

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What is the difference between a shallow copy and a deep copy in Java?

100 Days — 100+ Interview Questions

Feb 9

What is the difference between a shallow copy and a deep copy in Java?

Feb 9

In

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Understanding Division by Zero in Java: Infinity and NaN Explained

How Java Handles Floating-Point Arithmetic Without Exceptions

Jan 16

Understanding Division by Zero in Java: Infinity and NaN Explained

Jan 16

In

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Thirupathi Pavan Sai

How does Java’s String.intern() method work

100 Days — 100+ Interview Questions

Feb 18

How does Java’s String.intern() method work

Feb 18

Thirupathi Pavan Sai

Thirupathi Pavan Sai

Software Engineer | 1X Azure certified | Backend | Cyber Security Enthusiast | DevOps Enthusiast

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