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OpenCSV vs Apache Commons CSV vs SuperCSV
OpenCSV vs Apache Commons CSV vs SuperCSV
May 6, 2025
How to Iterate Over a JSONObject
How to Iterate Over a JSONObject: 3 Proven Methods (2024 Guide)
May 2, 2025
Fields in JSON Serialization
How to Exclude Fields in JSON Serialization (But Not Deserialization) Using @JsonIgnore
May 2, 2025
Gson Field Exclusion Without Annotations
Gson Field Exclusion Without Annotations: The Complete Guide
May 1, 2025
Upload Files and JSON in Postman
Upload Files and JSON in Postman: Complete Spring MVC Guide
May 1, 2025
Posted inBlog

OpenCSV vs Apache Commons CSV vs SuperCSV

Posted by By admin May 6, 2025
Continue Reading
Posted inBlog

How to Iterate Over a JSONObject: 3 Proven Methods (2024 Guide)

Posted by By admin May 2, 2025
Continue Reading
Best Time to Buy and Sell Stock: Maximize Profit with Efficient Algorithms

Best Time to Buy and Sell Stock: Maximize Profit with Efficient Algorithms

Posted by By admin February 23, 2025
The Best Time to Buy and Sell Stock problem is a fundamental challenge in algorithmic trading and a staple on LeetCode. The objective is to determine the maximum profit achievable…
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Two Sum Problem: Find a Pair That Sums to Target (LeetCode Guide)

Two Sum Problem: Find a Pair That Sums to Target (LeetCode Guide)

Posted by By admin February 23, 2025
The Two Sum problem is one of the most popular coding interview questions and a classic challenge on LeetCode. Given an array and a target value, the goal is to…
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Blind 75 LeetCode Problems

Blind 75 LeetCode Problems: Must-Solve Questions for Coding Interviews

Posted by By admin February 23, 2025
Are you preparing for a coding interview? The Blind 75 LeetCode Problems list is one of the best curated sets of questions to strengthen your problem-solving skills. This guide covers…
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JPA Relationships: A Beginner’s Guide to @OneToMany, @ManyToMany, and @OneToOne

JPA Relationships: A Beginner’s Guide to @OneToMany, @ManyToMany, and @OneToOne

Posted by By admin February 23, 2025
JPA (Java Persistence API) simplifies database interactions in Java applications by mapping entities to relational tables. However, relationships like @OneToMany, @ManyToMany, and @OneToOne can be tricky to implement correctly. This…
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Common Spring Boot Mistakes and How to Fix Them

Common Spring Boot Mistakes and How to Fix Them

Posted by By admin February 23, 2025
Spring Boot simplifies Java development, but improper usage can lead to performance bottlenecks and maintainability issues. Whether you're building a fintech application like a core banking system or an e-commerce…
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Undo git add Before Commit

How to Undo git add Before Commit: Safely Unstage Files in Git

Posted by By admin February 22, 2025
Accidentally added the wrong files to Git’s staging area? Don’t worry—it’s easy to undo a git add and unstage files before committing. In this guide, you’ll learn how to undo…
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Git Fetch vs. Git Pull: Key Differences

Git Fetch vs. Git Pull: Key Differences, When to Use Each, and Best Practices

Posted by By admin February 22, 2025
Understanding the difference between git fetch and git pull is essential for an efficient Git workflow. Whether working solo or in a team, using these commands correctly prevents conflicts, keeps…
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How to Delete a Git Branch Locally and Remotely: A Step-by-Step Guide

How to Delete a Git Branch Locally and Remotely: A Step-by-Step Guide

Posted by By admin February 22, 2025
Accidentally created too many branches in Git? Need to clean up old or merged branches? Whether you’re working solo or with a team, deleting branches properly is essential for maintaining…
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How to Undo Recent Local Commits in Git: A Step-by-Step Guide

How to Undo Recent Local Commits in Git: A Step-by-Step Guide

Posted by By admin February 22, 2025
Accidentally committed the wrong changes in Git? Don’t panic! Whether you need to undo a recent commit, edit a commit message, or completely erase a mistake, Git provides powerful tools…
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Is Embedded Tomcat Production-Ready?

Is Embedded Tomcat Production-Ready? A Guide to Spring Boot, WAR vs. JAR, and Deployment Best Practices

Posted by By admin February 21, 2025
Deploying Java web applications to production often involves choosing between embedded Tomcat (JAR) and standalone Tomcat (WAR). This guide explores their differences, advantages, and ideal use cases to help you…
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Spring Boot App Slower with java -jar Than with mvn spring-boot:run

Why Is My Spring Boot App Slower with java -jar Than with mvn spring-boot:run?

Posted by By admin February 21, 2025
If you’ve noticed that your Spring Boot application starts up much faster when you use mvn spring-boot:run (say, in 5 seconds) compared to java -jar myapp.jar (maybe 25 seconds), you’re…
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Error creating bean with name 'entityManagerFactory'

Spring Boot – “Error creating bean with name ‘entityManagerFactory'” – Start

Posted by By admin February 21, 2025
Direct Answer Key Points:To fix the "Error creating bean with name 'entityManagerFactory'" in Spring Boot, change the @Id annotation import in your Degree entity from org.springframework.data.annotation.Id to javax.persistence.Id. This ensures…
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  • Gson Field Exclusion Without Annotations: The Complete Guide
  • Upload Files and JSON in Postman: Complete Spring MVC Guide

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Post You Might Like
OpenCSV vs Apache Commons CSV vs SuperCSV
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Posted by By admin May 6, 2025
How to Iterate Over a JSONObject
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Posted inBlog
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Posted by By admin May 1, 2025

Problem: Print numbers from 1 to 100. For multiples of 3, print "Fizz"; for multiples of 5, print "Buzz"; for multiples of both 3 and 5, print "FizzBuzz.".

Copy
FizzBuzz:

for (int i = 1; i <= 100; i++) 
    System.out.println(i % 3 == 0 ? (i % 5 == 0 ? "FizzBuzz" : "Fizz") : (i % 5 == 0 ? "Buzz" : i));
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