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## org.biojava.utils
Class ListTools

    java.lang.Object
      org.biojava.utils.ListTools

All Implemented Interfaces:
  Serializable

    public class ListTools

extends Object
implements Serializable

Author:
  Matthew Pocock, Thomas Down, Mark Schreiber
See Also:
  Serialized Form

Nested Class Summary
`static class` | `ListTools.Doublet`
`static interface` | `ListTools.Mapper` Maps one object to another.
`static class` | `ListTools.SeriesList` A list that represents a series of values.
`static class` | `ListTools.Triplet`

Field Summary
`static ListTools.Mapper` | `NULL_MAPPER`

Constructor Summary
`ListTools()`

Method Summary
`static List` | `createList(List l)`
`static List` | `createList(Object[] a)`
`static ListTools.SeriesList` | `createSeriesList(String leader, String trailer, int size)` Create a new SeriesList with the given leader, trailer and size.
`static List` | `mapList(List list, ListTools.Mapper mapper)`
`static Map` | `mapMap(Map map, ListTools.Mapper keyMapper, ListTools.Mapper valMapper)`
`static Set` | `mapSet(Set set, ListTools.Mapper mapper)`
`static Iterator` | `nonRemoveIterator(Iterator i)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### NULL_MAPPER

    public static final ListTools.Mapper NULL_MAPPER

Constructor Detail

### ListTools

    public ListTools()

Method Detail

### nonRemoveIterator

    public static Iterator nonRemoveIterator(Iterator i)

### createList

    public static List createList(List l)

### createList

    public static List createList(Object[] a)

### createSeriesList

    public static ListTools.SeriesList createSeriesList(String leader,
                                                        String trailer,
                                                        int size)

  Create a new SeriesList with the given leader, trailer and size.

  Parameters:
    `leader` - the String that will prefix the index
    `trailer` - the String that will suffix the index
    `size` - the length of the list
  Throws:
    `NullPointerException` - if leader or trailer are null (use the empty string instead)
    `IllegalArgumentException` - if the size is negative

### mapList

    public static List mapList(List list,
                               ListTools.Mapper mapper)

### mapSet

    public static Set mapSet(Set set,
                             ListTools.Mapper mapper)

### mapMap

    public static Map mapMap(Map map,
                             ListTools.Mapper keyMapper,
                             ListTools.Mapper valMapper)

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