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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.

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GraphQL Java Cheat Sheet

GraphQL Java Cheat Sheet

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3 min read
Attaching actions to rollbacks in Spring

Attaching actions to rollbacks in Spring

7
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2 min read
Gain flexibility with generic shared preferences for Android

Gain flexibility with generic shared preferences for Android

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3 min read
Decompiling Kotlin's program: Data class

Decompiling Kotlin's program: Data class

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2 min read
Spring Boot with Redis conversion service and custom key converter

Spring Boot with Redis conversion service and custom key converter

14
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3 min read
Better, Faster, Lighter Java with Java 12 and JHipster 6

Better, Faster, Lighter Java with Java 12 and JHipster 6

11
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8 min read
Getting started with GraphQL Java

Getting started with GraphQL Java

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2 min read
Java Inheritance Puzzle

Java Inheritance Puzzle

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1 min read
An intro to Mutation Testing - or why coverage sucks

An intro to Mutation Testing - or why coverage sucks

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7 min read
Java Annotations.

Java Annotations.

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2 min read
Build a Microservice Architecture with Spring Boot and Kubernetes

Build a Microservice Architecture with Spring Boot and Kubernetes

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19 min read
Java 8 Streams: Pare de usar ‘for’ e simplifique seu código!

Java 8 Streams: Pare de usar ‘for’ e simplifique seu código!

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8 min read
Java String Puzzle

Java String Puzzle

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1 min read
SEGURIDAD EN APLICACIONES WEB JAVA

SEGURIDAD EN APLICACIONES WEB JAVA

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2 min read
Deploying your Spring boot to Heroku

Deploying your Spring boot to Heroku

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5 min read
LiveData Examples

LiveData Examples

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2 min read
My First Published App (part 2)

My First Published App (part 2)

3
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6 min read
Spring boot + Spring Security 5 + OAuth2/OIDC Client - Basics

Spring boot + Spring Security 5 + OAuth2/OIDC Client - Basics

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2 min read
Testing nested structures with AssertJ

Testing nested structures with AssertJ

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4 min read
A small introduction to Java 11's HttpClient

A small introduction to Java 11's HttpClient

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4 min read
How to Avoid Typical Mistakes While Learning Java

How to Avoid Typical Mistakes While Learning Java

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10 min read
A very simple Test Driven Development Tutorial

A very simple Test Driven Development Tutorial

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4 min read
Test Your Spring Boot Applications with JUnit 5

Test Your Spring Boot Applications with JUnit 5

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21 min read
Top 20+ Java Interview Questions

Top 20+ Java Interview Questions

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13 min read
50+ Data Structure and Algorithms Problems from Coding Interviews

50+ Data Structure and Algorithms Problems from Coding Interviews

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17 min read
Spring boot + Spring Security 5 + OAuth2/OIDC Client - Deep Dive

Spring boot + Spring Security 5 + OAuth2/OIDC Client - Deep Dive

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4 min read
The Behavior of `i = i++` in Java

The Behavior of `i = i++` in Java

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3 min read
Debugging Microservices running in Kubernetes

Debugging Microservices running in Kubernetes

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3 min read
Java 8: Entenda facilmente funções lambda, a principal novidade!

Java 8: Entenda facilmente funções lambda, a principal novidade!

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6 min read
Report about updating a Java project from JDK 8 to JDK 11

Report about updating a Java project from JDK 8 to JDK 11

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4 min read
Kotlin: Removing POJO Boilerplate

Kotlin: Removing POJO Boilerplate

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3 min read
A First Attempt at Making Art with Code

A First Attempt at Making Art with Code

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4 min read
I'm an Android Developer(Java/Kotlin), pre-middle level, Ask Me Anything!

I'm an Android Developer(Java/Kotlin), pre-middle level, Ask Me Anything!

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1 min read
Top 5 Java Test Frameworks For Automation In 2019

Top 5 Java Test Frameworks For Automation In 2019

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10 min read
Java math challenge

Java math challenge

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1 min read
C# for the Java Developer: Enums

C# for the Java Developer: Enums

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2 min read
C# for the Java Developer: Lambdas

C# for the Java Developer: Lambdas

5
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3 min read
Java 8 Optional: A way to avoid NullPointerException

Java 8 Optional: A way to avoid NullPointerException

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6 min read
The beginner's guide to Spring Boot

The beginner's guide to Spring Boot

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2 min read
C# for the Java Developer: Generics

C# for the Java Developer: Generics

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3 min read
C# for the Java Developer: Extension Methods

C# for the Java Developer: Extension Methods

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2 min read
How to start with unit testing in Java: A complete introduction to JUnit 5

How to start with unit testing in Java: A complete introduction to JUnit 5

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7 min read
Lightweight serverless Java functions with Quarkus

Lightweight serverless Java functions with Quarkus

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2 min read
A Quick Guide to OAuth 2.0 with Spring Security

A Quick Guide to OAuth 2.0 with Spring Security

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12 min read
Quarkus: Introduction of New Method for Quickly Launching Java applications on Container

Quarkus: Introduction of New Method for Quickly Launching Java applications on Container

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1 min read
Use JFlex to Count Words

Use JFlex to Count Words

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3 min read
Trivia Kata: A Refactoring Story

Trivia Kata: A Refactoring Story

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6 min read
Meet JFlex

Meet JFlex

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3 min read
The `else if` Keyword Doesn’t Exist in Java

The `else if` Keyword Doesn’t Exist in Java

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5 min read
How to become a better Java Developer in 2024? [with Resources]

How to become a better Java Developer in 2024? [with Resources]

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13 min read
Setup of a Local Kubernetes and Istio Dev Environment

Setup of a Local Kubernetes and Istio Dev Environment

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4 min read
Opensource Android Code Snippets in Java

Opensource Android Code Snippets in Java

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1 min read
Ubuntu 18.04 install Java and Eclipse IDE

Ubuntu 18.04 install Java and Eclipse IDE

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2 min read
Which eclipse IDE shortcut/feature you wish you had known sooner?

Which eclipse IDE shortcut/feature you wish you had known sooner?

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1 min read
18 Best Java Books For Beginners In 2019

18 Best Java Books For Beginners In 2019

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12 min read
Java LinkedList Tutorial with Examples

Java LinkedList Tutorial with Examples

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9 min read
Be Careful with String’s Substring Method in Java

Be Careful with String’s Substring Method in Java

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5 min read
What the heck is polymorphism?

What the heck is polymorphism?

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7 min read
How static is a static inner class in Java?

How static is a static inner class in Java?

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2 min read
toString or not to toString? This is the question

toString or not to toString? This is the question

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2 min read
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