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public interface Mutable
Provides mutable access to a value.
Mutable is used as a generic interface to the implementations in this package.
A typical use case would be to enable a primitive or string to be passed to a method and allow that method to effectively change the value of the primitive/string. Another use case is to store a frequently changing primitive in a collection (for example a total in a map) without needing to create new Integer/Long wrapper objects.
| Method Summary | |
|---|---|
Object |
getValue()
Gets the value of this mutable. |
void |
setValue(Object value)
Sets the value of this mutable. |
| Method Detail |
|---|
Object getValue()
void setValue(Object value)
value - the value to store
NullPointerException - if the object is null and null is invalid
ClassCastException - if the type is invalid
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