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Remove TreeMap elements

We can remove elements from TreeMap using methods provided in it Different methods which can be used to remove elements from TreeMap Object remove(Object key) Removes the mapping for the specified key from this map if present. Void clear() Removes all of the mappings from this map pollFirstEntry() Removes and returns a key-value mapping associated […]

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Add elements in TreeMap

We can use put() and putAll() methods of TreeMap to add elements to TreeMap Object put(Object key, Object value); Associates the specified value with the specified key in this map. This method is used to add single key-value pair to the TreeMap Example import java.util.*; public class TreeMapPutExample { public static void main(String args[]) { […]

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