#java Development Tutorials & Tips | Roast Dev

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more efficient Calculator in Java

the code!! ⛶import java.util.Scanner; public class Main { public static int sum(int num1,int num2){ return num1+num2; } public static int sub(int num1,int num2){ return n...

22.03.2025 0 Read More

CI/CD DevOps Pipeline Project: Deployment of Java Application on Kubernetes

Introduction In today's fast-paced software development environment, implementing DevOps practices is crucial for organizations striving for agility, efficiency, and high-quality software de...

22.03.2025 0 Read More

Jakarta Servlets: Behind the Scene of Deployment and container Lifecycle

Jakarta Servlets (formerly Java Servlets) are at the core of Java-based dynamic web applications, processing HTTP requests and responses. The Servlet Container (like Apache Tomcat or Jetty) manages th...

22.03.2025 0 Read More

CGPA to Percentage Converter Using Java (Basic But Accurate)

⛶import java.util.Scanner; public class CgpaToPercentageConverter { // Conversion factor (commonly used formula: Percentage = CGPA * 9.5) private static final double CONVERSION_FACTOR = 9....

22.03.2025 0 Read More

The FizzBuzz: a branchless version with Java

Let dissect a Java program that implements the FizzBuzz problem with a branchless style, using a mix of bitwise operations, lambdas, and an optimized loop. Let's break it down step by step: Ov...

22.03.2025 0 Read More

💻 Lista de Exercícios Básicos em Java 🚀 - Part 8

Hoje quero compartilhar alguns exercícios de Java do livro Dominando Java: 100+ Exercícios Resolvidos e Comentados para Acelerar seu Aprendizado, de Ruhan Avila da Conceição. Mesmo sendo exercíci...

22.03.2025 0 Read More

Day-03: Java Features

Java Features: Simple, Secure, and Easy to Learn TCP/IP Support Portable (Bytecode) Multithreaded Distributed Computing (RMI, EJB, Web Services) High Performance Robust Object-Oriented Programming (OO...

23.03.2025 0 Read More

Leetcode 1976 : Number of Ways to Arrive at Destination

Problem Statement You are in a city with n intersections numbered from 0 to n - 1 with bi-directional roads between some intersections. The inputs are generated such that you can reach any in...

23.03.2025 0 Read More

Simplify Java and SpringBoot migration with OpenRewrite

Challenges of Migration With older versions like Spring Boot 2.x reaching end-of-life and no longer receiving support, migrating to newer versions is essential for security, compatibility, an...

23.03.2025 0 Read More

Why anonymous inner class parameters must be final

Introduction Recently, when I wrote some anonymous inner classes, I felt a little difficult to understand, so I reviewed this part again. I found some points that I didn't notice before - the...

23.03.2025 0 Read More

more efficient Calculator in Java

CI/CD DevOps Pipeline Project: Deployment of Java Application on Kubernetes

Jakarta Servlets: Behind the Scene of Deployment and container Lifecycle

CGPA to Percentage Converter Using Java (Basic But Accurate)

The FizzBuzz: a branchless version with Java

💻 Lista de Exercícios Básicos em Java 🚀 - Part 8

Day-03: Java Features

Leetcode 1976 : Number of Ways to Arrive at Destination

Simplify Java and SpringBoot migration with OpenRewrite

Why anonymous inner class parameters must be final

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