# Compiling & Running

## Hello World example

`HelloWorld.java` (Filename must match class' name)

```java
public class HelloWorld {

    public static void main(String[] args) {
        System.out.println("Hello, World.");
    }

}
```

### Compiling

```bash
javac HelloWorld.java
```

### Executing

```bash
java HelloWorld
```


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