| Name | Description | Type | Package | Framework |
| JsonArray | Class | org.directwebremoting.json.types | DirectWebRemoting (DWR) | |
| JsonBoolean | The Json version of a booleanAuthor:Joe Walker [joe at getahead dot ltd dot uk] | Class | org.directwebremoting.json.types | DirectWebRemoting (DWR) |
| JsonNull | Class | org.directwebremoting.json.types | DirectWebRemoting (DWR) | |
| JsonNumber | The Json version of a NumberAuthor:Joe Walker [joe at getahead dot ltd dot uk] | Class | org.directwebremoting.json.types | DirectWebRemoting (DWR) |
| JsonObject | In official JSON parlance this should be called Object, however this would cause confusion with Object which is auto-imported. | Class | org.directwebremoting.json.types | DirectWebRemoting (DWR) |
| JsonString | The Json version of a StringAuthor:Joe Walker [joe at getahead dot ltd dot uk] | Class | org.directwebremoting.json.types | DirectWebRemoting (DWR) |
| JsonValue | JsonValue allows you to hold any of the JSON types and to get a string version without needing to know what type you have. | Class | org.directwebremoting.json.types | DirectWebRemoting (DWR) |