Collections in java with example program

Question

Class TreeMap

Implemented Interfaces:
    Cloneable,
Map,
Serializable,
 SortedMap

Syntax:
public class TreeMap extends AbstractMap implements SortedMap, Cloneable, Serializable

Constructor:
TreeMap()
TreeMap(Comparator c)
TreeMap(Map m)
TreeMap(SortedMap m)
Method Summary
public int size()
public boolean containsKey(Object key)
public boolean containsValue(Object value)
public Object get(Object key)
public Comparator comparator()
public Object firstKey()
public Object lastKey()
public void putAll(Map map)
public Object put(Object key,   Object value)
public Object remove(Object key)
public void clear()
public Object clone()
public Set keySet()
public Collection values()
public Set entrySet()
public SortedMap subMap(Object fromKey,   Object toKey)
public SortedMap headMap(Object toKey)
public SortedMap tailMap(Object fromKey)

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Collections in java