Java

Hello World in Java

Every programming journey starts with Hello World. Let’s write our first Java program.

The Code

Create a file named HelloWorld.java:

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public class HelloWorld {
    public static …

The Weight of Your Web Stack, Part 3: Choosing the Right Backend for the Job

In Part 1 we measured what web backends cost before serving a single request — idle memory ranging from 3 MB (Rust) to 500 MB (Spring Boot). In Part 2 we measured what happens when traffic arrives — …

The Weight of Your Web Stack, Part 2: What Your Backend Costs Under Load

In Part 1, we measured what web backend frameworks cost before serving a single request — idle memory, startup time, and Docker image sizes. We found a 30-100x spread between the lightest (Rust …

The Weight of Your Web Stack, Part 1: What Your Backend Costs at Rest

Last week we looked at the top web programming languages and the frameworks developers are choosing in 2026. But there’s a question those rankings don’t answer: what does each of those …