Remove value from Java TreeMap example
- /*
- Remove value from Java TreeMap example
- This Java Example shows how to remove a key value pair from TreeMap object using
- remove method.
- */
- import java.util.TreeMap;
- public class RemoveValueFromTreeMapExample {
- public static void main(String[] args) {
- //create TreeMap object
- TreeMap treeMap = new TreeMap();
- //add key value pairs to TreeMap
- treeMap.put("1","One");
- treeMap.put("2","Two");
- treeMap.put("3","Three");
- /*
- To remove a key value pair from TreeMap use
- Object remove(Object key) method of TreeMap class.
- It returns either the value mapped with the key or null if no value
- was mapped.
- */
- Object obj = treeMap.remove("2");
- System.out.println(obj + " Removed from TreeMap");
- }
- }
- /*
- Output would be
- Two Removed from TreeMap
- */
