Java

@Java • Created Aug 2025 • Languages

12 posts • 49 reactions • 21 comments

A community for Java developers to share tutorials, frameworks, and discuss building applications.

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Posted in Java group

James Dayalverified • Sep 25, 2025 • in Articles • 1 min read

Hello World! Welcome to the Java Group!

Hello World! Welcome to the Java Group! We’re excited to have you here! This is a space where you can share, learn, and connect with other developers who love Java and web development. Start by saying hi! Introduce yourself in the comments below...

3 Reactions 2 Comments

Posted in Java group

buildbasekit • Apr 13 • in Articles • 1 min read

Stop Rebuilding the Same Spring Boot Setup Every Time

If you’ve built more than one Java backend, you’ve probably done this: setup auth again configure roles and permissions handle multi-tenancy wire up basic APIs fix the same production issues later And suddenly a week is gone. I’m currently wo...

0 Reactions 0 Comments

Posted in Java group

Hector Williams • Apr 11 • in Articles • 1 min read

LeetCode Milestone!!!

1400+ leetcode solved!!!...

3 Reactions 1 Comments

Posted in Java group

Hector Williams • Mar 11 • in Articles • 1 min read

Java Streams vs SQL Queries – A Practical Comparison

I’ve been exploring ways to optimize data processing in Java, and one topic really stood out: when to use Java Streams instead of SQL queries. Here’s what I learned: 1️⃣ Java Streams are perfect for in-memory collections Great for filtering, mapping,...

3 Reactions 1 Comments

Posted in Java group

Hector Williams • Mar 4 • in Articles • 1 min read

All Spring Boot Annotations — One Cheat Sheet

See the link...

4 Reactions 0 Comments

Posted in Java group

Hector Williams • Mar 4 • in Articles • 1 min read

Introduction

Hello, My name is Hector Williams and I am a moderator for this group.This is my first post.Feel free to message me to talk!!!...

11 Reactions 3 Comments

Posted in Java group

bsorrentino 1 • Feb 7 • in Launches • 2 min read

LangGraph4j

LangGraph for Java to develop AI Agentic Architecture...

4 Reactions 2 Comments

Posted in Java group

Pravin • Oct 9, 2025 • in Articles • 1 min read

Unicode escape trick

A simple Unicode escape trick Do you think the following Java code can compile correctly? public class HelloWorld { public static void mainString args { // This is the first single line comment \u0009\u000a\u000c\u002f\u002a####### ...

2 Reactions 2 Comments

Posted in Java group

Pravin • Sep 29, 2025 • in Tutorials • 4 min read

Data Types in Java, part 2 - specifying literals

What is a Literal? A Literal in the Java source code is used to specify valuesconstants. In Java, we can specify values of the primitive types, the String type and the null type. null is a special type which does not have a name, we only have a value...

5 Reactions 2 Comments

Posted in Java group

Pravin • Sep 22, 2025 • in Articles • 1 min read

IO class in Java 25

IO class of Java 25 Java 25 intrroduced a new class called IO in java.lang package, in order to avoid writing longer code when using System.out.println. I found a difference in the behaviour from the System.out.println Just try the following main ...

4 Reactions 4 Comments

Posted in Java group

Pravin • Sep 15, 2025 • in Tutorials • 10 min read

Data Types in Java, Part 1, the primitive types in detail

Data Types in Java All the data types in Java have been categorized into two, primitive data types and the reference data types. The primitive types, also known as built-in types, are byte, short, int, long, float, double, char and boolean. The re...

2 Reactions 2 Comments

Posted in Java group

Pravin • Sep 1, 2025 • in Tutorials • 6 min read

About Identifiers in Java

Identifiers in Java In the Java source code, we define/declare several entities. These entities are identifiable by some names. Identifiers are used to give names to the entities. These identifiers are used for naming the classes, interfaces, enums,...

8 Reactions 2 Comments

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