InheritanceUtils (Apache Commons Lang 3.4 API)

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java.lang.Object
- org.apache.commons.lang3.reflect.InheritanceUtils

```
public class InheritanceUtils
extends Object
```
Utility methods focusing on inheritance.

Since:

3.2

- Constructor Summary
  
  Constructors
  Constructor and Description
  
  InheritanceUtils()
  InheritanceUtils instances should NOT be constructed in standard programming.
- Method Summary
  
  Methods
  Modifier and Type Method and Description
  
  static int distance(Class<?> child, Class<?> parent)
  Returns the number of inheritance hops between two classes.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - InheritanceUtils
```
public InheritanceUtils()
```
    InheritanceUtils instances should NOT be constructed in standard programming. Instead, the class should be used as MethodUtils.getAccessibleMethod(method).
    
    This constructor is public to permit tools that require a JavaBean instance to operate.
- Method Detail
  - distance
```
public static int distance(Class<?> child,
           Class<?> parent)
```
    Returns the number of inheritance hops between two classes.
    
    Parameters:
    child - the child class, may be null
    parent - the parent class, may be null
    
    Returns:
    the number of generations between the child and parent; 0 if the same class; -1 if the classes are not related as child and parent (includes where either class is null)
    Since:
    
    3.2

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