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java.lang.Object | +--pal.math.UrnModel
class for drawing numbers from an urn with and without laying back
Constructor Summary | |
UrnModel(int n)
create urn model |
Method Summary | |
int |
drawDontPutBack()
draw a number without putting back |
int |
drawPutBack()
draws a number with putting back |
void |
reset()
refill urn |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public UrnModel(int n)
n
- capacity (corresponding to numbers 0..n-1)Method Detail |
public int drawDontPutBack()
public void reset()
public int drawPutBack()
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