ShouldContainNull (AssertJ fluent assertions 3.22.0 API)

java.lang.Object
- org.assertj.core.error.BasicErrorMessageFactory
- - org.assertj.core.error.ShouldContainNull

All Implemented Interfaces:

ErrorMessageFactory
```
public class ShouldContainNull
extends BasicErrorMessageFactory
```
Creates an error message indicating that an assertion that verifies a group of elements contains a null element failed. A group of elements can be a collection or an array.

Author:

Joel Costigliola

- Field Summary
  - Fields inherited from class org.assertj.core.error.BasicErrorMessageFactory
    arguments, format, formatter
- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  private ShouldContainNull(Object actual)
- Method Summary
  
  All Methods Static Methods Concrete Methods
  Modifier and Type Method Description
  
  static ErrorMessageFactory shouldContainNull(Object actual)
  Creates a new ShouldContainNull.
  - Methods inherited from class org.assertj.core.error.BasicErrorMessageFactory
    create, create, create, equals, hashCode, toString, unquotedString
  - Methods inherited from class java.lang.Object
    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ShouldContainNull
```
private ShouldContainNull(Object actual)
```
- Method Detail
  - shouldContainNull
```
public static ErrorMessageFactory shouldContainNull(Object actual)
```
    Creates a new ShouldContainNull.
    
    Parameters:
    
    actual - the actual value in the failed assertion.
    
    Returns:
    
    the created ErrorMessageFactory.