Cache

All Known Implementing Classes:

SoftReferenceCache
```
public interface Cache
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`clear()`	Removes all mappings from a map (optional operation).
`java.lang.Object`	`get(java.lang.Object key)`
`java.lang.Object`	`put(java.lang.Object key, java.lang.Object value, int sizeEstimate)`
`java.lang.Object`	`remove(java.lang.Object key)`

- Method Detail
  - put
```
java.lang.Object put(java.lang.Object key,
                     java.lang.Object value,
                     int sizeEstimate)
```
    Parameters:
    
    key - value to be used as key
    
    value - value to be stored
    
    sizeEstimate - estimated size
    
    Returns:
    
    the old object, that was replaced if present. Otherwise null.
  - get
```
java.lang.Object get(java.lang.Object key)
```
  - clear
```
void clear()
```
    Removes all mappings from a map (optional operation).
    
    Throws:
    
    java.lang.UnsupportedOperationException - if clear() is not supported by the map.
  - remove
```
java.lang.Object remove(java.lang.Object key)
```
    Parameters:
    
    key - the key of the to be removed object
    
    Returns:
    
    the removed object, if present. Otherwise null.