---
title: "Example: Hello World"
---

Hello World is a project that demonstrates how to use the Solana Javascript API
to build, deploy, and interact with programs on the Solana blockchain.

The project comprises of:
 - An on-chain hello world program
 - A client that can send a "hello" to an account and get back the number of
 times "hello" has been sent

## Build and run Hello World program

First fetch the latest version of the example code:

```bash
$ git clone https://github.com/solana-labs/example-helloworld.git
$ cd example-helloworld
```

Next, follow the steps in the git repository's
[README](https://github.com/solana-labs/example-helloworld/blob/master/README.md).