DEV Community

Java

More than just a cup of coffee, Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
2 ways to Two Sum

2 ways to Two Sum

6
Comments
3 min read
Spring Webflux - Reactive Java Applications - Part 1

Spring Webflux - Reactive Java Applications - Part 1

29
Comments
3 min read
Checking If An Undirected Graph Is Bipartite

Checking If An Undirected Graph Is Bipartite

9
Comments
2 min read
Add Filters to Excel in Java

Add Filters to Excel in Java

6
Comments
3 min read
Do you really understand interfaces?

Do you really understand interfaces?

42
Comments 17
8 min read
How to Consolidate API-Documentation in a Microservices Environment

How to Consolidate API-Documentation in a Microservices Environment

15
Comments 6
7 min read
Accessing Apache Kafka from Quarkus

Accessing Apache Kafka from Quarkus

7
Comments
4 min read
Streaming data from Kafka to S3 - video walkthrough

Streaming data from Kafka to S3 - video walkthrough

7
Comments
1 min read
Kafka Streams testing tip: Making sense of "Uninitialized topic" exception

Kafka Streams testing tip: Making sense of "Uninitialized topic" exception

7
Comments
2 min read
Bad chunk header mystery

Bad chunk header mystery

4
Comments
3 min read
OneDev: An open source all-in-one devops platform

OneDev: An open source all-in-one devops platform

8
Comments 2
1 min read
Send an HTTP GET Request using Java 11 HttpClient

Send an HTTP GET Request using Java 11 HttpClient

11
Comments 1
1 min read
How to initialize ArrayList in Java?

How to initialize ArrayList in Java?

4
Comments
1 min read
Fake the system clock for a single application with libfaketime

Fake the system clock for a single application with libfaketime

7
Comments
7 min read
Write and execute a JUnit test for a Java microservice based on MicroProfile and run both in the OpenLiberty development mode

Write and execute a JUnit test for a Java microservice based on MicroProfile and run both in the OpenLiberty development mode

7
Comments
7 min read
JVM por debaixo dos panos #2 - VMproperties e introdução à Memória

JVM por debaixo dos panos #2 - VMproperties e introdução à Memória

28
Comments 1
5 min read
Publishing Application Metrics to Azure Monitor Using Spring Boot 2 and Micrometer

Publishing Application Metrics to Azure Monitor Using Spring Boot 2 and Micrometer

20
Comments
4 min read
Testing Kafka Streams applications

Testing Kafka Streams applications

22
Comments 1
6 min read
Java Nullpointerexception

Java Nullpointerexception

11
Comments
3 min read
How to upload a file to AWS S3 in Java (using Vaadin framework)

How to upload a file to AWS S3 in Java (using Vaadin framework)

14
Comments 4
7 min read
Reducing the maven build execution time

Reducing the maven build execution time

11
Comments
9 min read
Not understanding this project.

Not understanding this project.

7
Comments 2
1 min read
Spring Cloud Sleuth Tutorial With Zipkin

Spring Cloud Sleuth Tutorial With Zipkin

9
Comments
5 min read
Visualizing Sorting Algorithms with Images

Visualizing Sorting Algorithms with Images

10
Comments
6 min read
Configure your Mac for Java Development

Configure your Mac for Java Development

6
Comments 3
4 min read
Spring Webflux - Aplicações reativas em Java - Parte 1

Spring Webflux - Aplicações reativas em Java - Parte 1

27
Comments
4 min read
API-First Development with Spring Boot and Swagger

API-First Development with Spring Boot and Swagger

14
Comments
8 min read
How to write API Tests using REST-Assured and OkHTTP?

How to write API Tests using REST-Assured and OkHTTP?

11
Comments
2 min read
Carta para uma desenvolvedora iniciante desesperada

Carta para uma desenvolvedora iniciante desesperada

14
Comments
3 min read
Screencast: using Spring Boot, JHipster and Azure Spring Cloud together

Screencast: using Spring Boot, JHipster and Azure Spring Cloud together

40
Comments
1 min read
S.O.L.I.D: Open/Closed Principle

S.O.L.I.D: Open/Closed Principle

15
Comments
3 min read
How do you get started with Kotlin (not for Android), or init a project?

How do you get started with Kotlin (not for Android), or init a project?

9
Comments 5
1 min read
Azure Functions tip: making sense of GSON JsonSyntaxException

Azure Functions tip: making sense of GSON JsonSyntaxException

10
Comments
3 min read
Mybatis Cursor<T>

Mybatis Cursor<T>

9
Comments
1 min read
Metodos Virtuales en Java

Metodos Virtuales en Java

6
Comments
1 min read
Show dev.to: a 130 pages free book about web-scraping

Show dev.to: a 130 pages free book about web-scraping

21
Comments 6
1 min read
Windows Subsystem for Linux Java Setup

Windows Subsystem for Linux Java Setup

14
Comments 2
3 min read
Adding local jar files to a Maven project

Adding local jar files to a Maven project

13
Comments 1
1 min read
Health Check with Java Spring easier than walking backwards

Health Check with Java Spring easier than walking backwards

7
Comments
2 min read
Development of Reactive Applications with Quarkus

Development of Reactive Applications with Quarkus

17
Comments
5 min read
Parameterization In TestNG – DataProvider and TestNG XML (With Examples)

Parameterization In TestNG – DataProvider and TestNG XML (With Examples)

6
Comments
20 min read
Azure Web App for Containers 環境で MicroProfile Config 動作検証

Azure Web App for Containers 環境で MicroProfile Config 動作検証

10
Comments
9 min read
How to Remove Duplicates From Array using Java

How to Remove Duplicates From Array using Java

9
Comments
3 min read
How to use stateful operations in Kafka Streams?

How to use stateful operations in Kafka Streams?

18
Comments
5 min read
What is the equivalent of a static variable in JS

What is the equivalent of a static variable in JS

7
Comments 5
1 min read
Java - Using Spring to create a REST API

Java - Using Spring to create a REST API

15
Comments
5 min read
Why you should favor composition over inheritance

Why you should favor composition over inheritance

22
Comments
3 min read
Don't use non-test constants in unit tests

Don't use non-test constants in unit tests

32
Comments 7
3 min read
Effective Java Tuesday! In Public Classes, Use Accessors, Not Public Fields

Effective Java Tuesday! In Public Classes, Use Accessors, Not Public Fields

8
Comments
2 min read
🔥 JSF (JavaServer Faces) 2.0: The Story Book

🔥 JSF (JavaServer Faces) 2.0: The Story Book

6
Comments
1 min read
On the Open-closed principle (Decoupling & Abstraction)

On the Open-closed principle (Decoupling & Abstraction)

5
Comments
4 min read
How to run SPA webapp on Spring Boot 2.x

How to run SPA webapp on Spring Boot 2.x

11
Comments 1
1 min read
Lists

Lists

7
Comments
2 min read
Identifying a high CPU consuming thread

Identifying a high CPU consuming thread

9
Comments
4 min read
Interfaces Explained

Interfaces Explained

6
Comments
3 min read
Kotlin Object Vs Companion Object

Kotlin Object Vs Companion Object

16
Comments 3
2 min read
For Loops, Allocations and Escape Analysis

For Loops, Allocations and Escape Analysis

9
Comments
6 min read
Using SonarCloud with Github Actions and Maven

Using SonarCloud with Github Actions and Maven

22
Comments 3
4 min read
Spring Boot Quick Start: Spring Boot Tutorial for Beginners

Spring Boot Quick Start: Spring Boot Tutorial for Beginners

91
Comments 2
1 min read
S.O.L.I.D: Single Responsibility Principle

S.O.L.I.D: Single Responsibility Principle

33
Comments 3
3 min read
loading...