### 1、添加依赖

```xml
<dependency>
  <groupId>org.noear</groupId>
  <artifactId>snack4</artifactId>
  <version>最新版</version>
</dependency>
```

### 2、编写代码

```java
public class DemoApp {
    public static void main(String[] args) {
        ONode oNode = ONode.ofJson("{'hello':'world'}");
        System.out.println(oNode.toJson());
    }
}
```

### 3、运行效果

<img src="/img/3cdba71496ac4230b0b3819cb5dc0ad7.png" width="700" />