Package org.jfree.data
Interface Values
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- All Known Subinterfaces:
KeyedValues<K>
,KeyedValuesDataset
,PieDataset<K>
- All Known Implementing Classes:
CategoryToPieDataset
,DefaultKeyedValues
,DefaultKeyedValuesDataset
,DefaultPieDataset
,JDBCPieDataset
public interface Values
An interface through which (single-dimension) data values can be accessed.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description int
getItemCount()
Returns the number of items (values) in the collection.java.lang.Number
getValue(int index)
Returns the value with the specified index.
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Method Detail
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getItemCount
int getItemCount()
Returns the number of items (values) in the collection.- Returns:
- The item count (possibly zero).
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getValue
java.lang.Number getValue(int index)
Returns the value with the specified index.- Parameters:
index
- the item index (in the range0
togetItemCount() -1
).- Returns:
- The value (possibly
null
). - Throws:
java.lang.IndexOutOfBoundsException
- ifindex
is not in the specified range.
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