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A numberer converts objects to unique non-negative integers, and vice-versa.
Method Summary | |
void |
add(Object o)
Tells the numberer that a new object needs to be assigned a number. |
Object |
get(long number)
Should return the object that was assigned the number number. |
long |
get(Object o)
Should return the number that was assigned to object o that was previously passed as an argument to add(). |
int |
size()
Should return the number of objects that have been assigned numbers. |
Method Detail |
public void add(Object o)
public long get(Object o)
public Object get(long number)
public int size()
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