Parameterized.Parameter (JUnit API 文档)

```
@Retention(RUNTIME)
@Target(FIELD)
public static @interface Parameterized.Parameter
```
Annotation for fields of the test class which will be initialized by the method annotated by Parameters. By using directly this annotation, the test class constructor isn't needed. Index range must start at 0. Default value is 0.

- Optional Element Summary
  Optional Elements
  Modifier and Type Optional Element Description
  int value
  Method that returns the index of the parameter in the array returned by the method annotated by Parameters.

- Element Detail
  - value
```
int value
```
    Method that returns the index of the parameter in the array returned by the method annotated by Parameters. Index range must start at 0. Default value is 0.
    Returns:
    the index of the parameter.
    Default:
    0