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.
What is an EnumMap in Java?

What is an EnumMap in Java?

6
Comments
3 min read
Data Structure Algorithms: Binary Search

Data Structure Algorithms: Binary Search

7
Comments
2 min read
Help with a pattern problem.

Help with a pattern problem.

4
Comments
1 min read
Intro to Playwright Web Automation Framework in Java

Intro to Playwright Web Automation Framework in Java

2
Comments
5 min read
Before Wordle...

Before Wordle...

7
Comments 1
2 min read
Exploring What’s Inside java.util.concurrent Package (Part 1)

Exploring What’s Inside java.util.concurrent Package (Part 1)

8
Comments
4 min read
Change the default Java Version on macOS

Change the default Java Version on macOS

49
Comments 5
1 min read
Power of Two, A Google Interview Question - Java Solution

Power of Two, A Google Interview Question - Java Solution

37
Comments
4 min read
Check If The kth Bit is Set/Unset, A FAANG Interview Questions - Java

Check If The kth Bit is Set/Unset, A FAANG Interview Questions - Java

42
Comments 1
3 min read
Subsets/Power-set, A FAANG Interview Question - Java Solution

Subsets/Power-set, A FAANG Interview Question - Java Solution

46
Comments
3 min read
How to output Log4J2 logs as JSON?

How to output Log4J2 logs as JSON?

43
Comments 3
8 min read
How to use Functions

How to use Functions

5
Comments
3 min read
Spring Boot 서비스를 위한 Kubernetes 설정

Spring Boot 서비스를 위한 Kubernetes 설정

6
Comments
2 min read
Star Pattern In Java

Star Pattern In Java

8
Comments
3 min read
Kubernetes 를 위한 Spring Boot 개발 (feat. 무중단 배포/운영)

Kubernetes 를 위한 Spring Boot 개발 (feat. 무중단 배포/운영)

10
Comments
2 min read
Moving reflection-based code from Java 8 to 11 and 17

Moving reflection-based code from Java 8 to 11 and 17

21
Comments
4 min read
How to get mockable current time in java enterprise

How to get mockable current time in java enterprise

6
Comments
2 min read
Spring Basics - Annotation and Java Based Configuration

Spring Basics - Annotation and Java Based Configuration

8
Comments
5 min read
How to Deploy SpringBoot App to Elastic Beanstalk Using Github Actions CI/CD

How to Deploy SpringBoot App to Elastic Beanstalk Using Github Actions CI/CD

12
Comments
4 min read
Creating a Vehicle OOPs way

Creating a Vehicle OOPs way

10
Comments 1
3 min read
Longest Consecutive Sequence

Longest Consecutive Sequence

6
Comments
2 min read
How to consume a text message from a JMS queue with a Message Driven Bean (MDB)

How to consume a text message from a JMS queue with a Message Driven Bean (MDB)

5
Comments
2 min read
Garbage Collector: The Desirable Aspect of Java

Garbage Collector: The Desirable Aspect of Java

2
Comments 4
1 min read
Effective Java: For Instance Control, Prefer Enum types to readResolve

Effective Java: For Instance Control, Prefer Enum types to readResolve

4
Comments
3 min read
Full stack java with react

Full stack java with react

3
Comments
1 min read
Pagination with JPA queries

Pagination with JPA queries

5
Comments
1 min read
Scanner Vs BufferedReader

Scanner Vs BufferedReader

13
Comments 2
1 min read
Merge Intervals

Merge Intervals

4
Comments 3
2 min read
Building a Spring Boot CRUD API

Building a Spring Boot CRUD API

4
Comments
1 min read
PIT, a mutation testing system for Java.

PIT, a mutation testing system for Java.

6
Comments
7 min read
Build a .jar file inside a Docker container with Maven

Build a .jar file inside a Docker container with Maven

7
Comments
5 min read
How to use named parameters in JPA queries

How to use named parameters in JPA queries

6
Comments
1 min read
How to use named queries with JPA and JPQL

How to use named queries with JPA and JPQL

6
Comments
1 min read
Why String is Immutable in JAVA? What exactly does it mean?

Why String is Immutable in JAVA? What exactly does it mean?

8
Comments 2
2 min read
Expert: BestPal (Chatting) application using Huawei CloudDB, Auth service, Cloud Function and Push Kit

Expert: BestPal (Chatting) application using Huawei CloudDB, Auth service, Cloud Function and Push Kit

4
Comments
8 min read
String Constant Pool (Storage of Strings)

String Constant Pool (Storage of Strings)

13
Comments 3
3 min read
Service to Service Communication between containers on your localhost

Service to Service Communication between containers on your localhost

6
Comments
4 min read
The Complete Guide To Learn Java

The Complete Guide To Learn Java

2
Comments
5 min read
System Logger

System Logger

6
Comments
4 min read
Is Java Still Worth Learning in 2022?

Is Java Still Worth Learning in 2022?

19
Comments 40
5 min read
Intro

Intro

5
Comments
1 min read
6 Tips and Tricks to avoid NullPointerException

6 Tips and Tricks to avoid NullPointerException

26
Comments 8
5 min read
Gradle Debugging Dependencies

Gradle Debugging Dependencies

7
Comments
1 min read
Spring cloud: introduction to service discovery using netflix eureka

Spring cloud: introduction to service discovery using netflix eureka

9
Comments 5
4 min read
How To return CREATED HTTP Status Code in Jax-Rs

How To return CREATED HTTP Status Code in Jax-Rs

6
Comments
1 min read
Java Data. Creating an entity with JPA and Hibernate

Java Data. Creating an entity with JPA and Hibernate

13
Comments 1
2 min read
KiwisGuns more Realistic?

KiwisGuns more Realistic?

4
Comments
1 min read
How to return a response with OK HTTP Status Code with Jax-Rs

How to return a response with OK HTTP Status Code with Jax-Rs

7
Comments
1 min read
[en-US] Modeling an OO domain: a case study about the creation of a model for an authentication and authorization gateway.

[en-US] Modeling an OO domain: a case study about the creation of a model for an authentication and authorization gateway.

2
Comments
12 min read
[pt-BR] Modelagem de um domínio OO: um estudo de caso sobre a criação de um modelo para um gateway de autenticação e autorização

[pt-BR] Modelagem de um domínio OO: um estudo de caso sobre a criação de um modelo para um gateway de autenticação e autorização

2
Comments
15 min read
Developing an authentication system in Java+Tarantool

Developing an authentication system in Java+Tarantool

49
Comments 2
21 min read
Microservice: Creating a JPA application using Jakarta Persistence API in Payara Micro

Microservice: Creating a JPA application using Jakarta Persistence API in Payara Micro

2
Comments
3 min read
Subarray with 0 sum

Subarray with 0 sum

6
Comments
2 min read
Using Huawei App Messaging in Android

Using Huawei App Messaging in Android

5
Comments
4 min read
Add Hongkong Post Root CA certificate to Java keystore

Add Hongkong Post Root CA certificate to Java keystore

6
Comments
1 min read
Subarray Sum Equals K

Subarray Sum Equals K

4
Comments
2 min read
Quando usar Classes aninhadas, classes locais, classes anônimas e expressões lambdas

Quando usar Classes aninhadas, classes locais, classes anônimas e expressões lambdas

9
Comments 1
2 min read
Judging Valid Parentheses

Judging Valid Parentheses

6
Comments
1 min read
WeAreDevelopers Live - Java Day

WeAreDevelopers Live - Java Day

2
Comments
1 min read
Introducing 140 Second Ducklings: What is Debugging?

Introducing 140 Second Ducklings: What is Debugging?

9
Comments
3 min read
loading...