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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
How to Fix 'android.os.NetworkOnMainThreadException' in Android: A Complete Guide

How to Fix ‘android.os.NetworkOnMainThreadException’ in Android: A Complete Guide

Posted by By admin February 27, 2025
Encountering the android.os.NetworkOnMainThreadException error in your Android app? This common issue occurs when you attempt to perform network operations on the main UI thread, which Android strictly prohibits to ensure…
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Create an Executable JAR with Dependencies Using Maven

How to Create an Executable JAR with Dependencies Using Maven: A Step-by-Step Guide

Posted by By admin February 27, 2025
Packaging your Java project into a single executable JAR file with all dependencies is essential for easy distribution and deployment. In this guide, you'll learn how to use Maven plugins…
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Byte Array in OpenAPI 3.0

How to Define a Byte Array in OpenAPI 3.0

Posted by By admin February 26, 2025
When migrating your API from Swagger 2.0 to OpenAPI 3.0, you might encounter issues with representing a byte array in your DTOs. In Swagger 2.0, you could define a byte…
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Enable the "Authorize" Button in springdoc‑openapi‑ui for JWT Authentication

Enable the “Authorize” Button in springdoc‑openapi‑ui for JWT Authentication

Posted by By admin February 26, 2025
When building a Spring Boot API with JWT authentication, having an easy way to test secured endpoints is essential. One common challenge is enabling the Authorize button in springdoc‑openapi‑ui (Swagger…
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Deploy a Maven Project to Tomcat

How to Deploy a Maven Project to Tomcat: Fixing Compilation Errors with Local Dependencies

Posted by By admin February 26, 2025
Deploying a Maven project to Apache Tomcat should be straightforward, but compilation errors due to missing dependencies or misconfigured builds can derail your progress. In this guide, we’ll resolve common…
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Access and Modify Files in a Dockerized Spring Boot App

How to Access and Modify Files in a Dockerized Spring Boot App: Fixing FileNotFoundException

Posted by By admin February 26, 2025
If you're encountering FileNotFoundException when Dockerizing your Spring Boot app that reads/writes files, you're not alone. This common issue arises because files packaged inside a JAR aren't accessible via traditional…
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Java is Slower

Why Printing “B” in Java is Slower Than “#”? NetBeans Performance Issue Explained

Posted by By admin February 26, 2025
If you've ever noticed that printing the letter "B" in Java is significantly slower than printing "#" in NetBeans, you're not alone. This unexpected slowdown has puzzled many developers. In…
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Refactoring DateUtils in Java

Refactoring DateUtils in Java: Improving Consistency & Maintainability

Posted by By admin February 25, 2025
Handling dates in Java can become cumbersome when different formats and redundant logic are scattered throughout the codebase. This guide walks through refactoring a DateUtils utility class to standardize date…
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Fixing "ACCESS_TOKEN_SCOPE_INSUFFICIENT" in Gmail API

Fixing “ACCESS_TOKEN_SCOPE_INSUFFICIENT” in Gmail API: A Guide for Java Developers

Posted by By admin February 25, 2025
Encountering the ACCESS_TOKEN_SCOPE_INSUFFICIENT error in the Gmail API? This issue occurs when your OAuth token lacks the required permissions (scopes) for a specific operation, such as reading or sending emails.…
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Creating complex pdf using java

Creating Complex PDFs in Java: Best Methods for Certificates and Reports

Posted by By admin February 25, 2025
Generating complex PDF documents—such as certificates, invoices, or reports—in Java can be challenging, especially when dealing with precise layouts, dynamic data, or visual elements. This guide explores the best methods…
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Java Tricks to Transform You into a Coding Rockstar

10 Java Tricks to Transform You into a Coding Rockstar

Posted by By admin February 23, 2025
Java continues to evolve, but many developers miss out on its modern features and hidden gems. Whether you’re building enterprise applications or microservices, these 10 Java tricks will streamline your…
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Java Hacks to Improve Your Coding Efficiency

Java Hacks to Improve Your Coding Efficiency

Posted by By admin February 23, 2025
Java is a powerful language, but many developers miss out on hidden features that can make coding easier, cleaner, and more efficient. In this guide, we’ll explore 10 Java hacks…
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  • How to Iterate Over a JSONObject: 3 Proven Methods (2024 Guide)
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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 by By admin May 2, 2025
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Posted inBlog
How to Exclude Fields in JSON Serialization (But Not Deserialization) Using @JsonIgnore
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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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