| Package | Description | 
|---|---|
| org.apache.commons.math3.util | Convenience routines and common data structures used throughout the commons-math library. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DefaultTransformerA Default NumberTransformer for java.lang.Numbers and Numeric Strings. | 
| class  | TransformerMapThis TansformerMap automates the transformation of mixed object types. | 
| Modifier and Type | Method and Description | 
|---|---|
| NumberTransformer | TransformerMap. getTransformer(Class<?> key)Returns the Transformer that is mapped to a class
 if mapping is not present, this returns null. | 
| NumberTransformer | TransformerMap. putTransformer(Class<?> key,
              NumberTransformer transformer)Sets a Class to Transformer Mapping in the Map. | 
| NumberTransformer | TransformerMap. removeTransformer(Class<?> key)Removes a Class to Transformer Mapping in the Map. | 
| Modifier and Type | Method and Description | 
|---|---|
| Collection<NumberTransformer> | TransformerMap. transformers()Returns the Set of NumberTransformers used as values
 in the map. | 
| Modifier and Type | Method and Description | 
|---|---|
| boolean | TransformerMap. containsTransformer(NumberTransformer value)Tests if a NumberTransformer is present in the TransformerMap. | 
| NumberTransformer | TransformerMap. putTransformer(Class<?> key,
              NumberTransformer transformer)Sets a Class to Transformer Mapping in the Map. | 
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