Click here to watch in Youtube :
https://www.youtube.com/watch?v=gdPMgbzQMy8&list=UUhwKlOVR041tngjerWxVccw
TreeMapExample.java
Output
https://www.youtube.com/watch?v=gdPMgbzQMy8&list=UUhwKlOVR041tngjerWxVccw
TreeMapExample.java
import java.util.TreeMap; /* * Example of remove(Object key) method. */ public class TreeMapExample { public static void main( String[] args ) { TreeMap<Integer, String> treeMap = new TreeMap<Integer, String>(); treeMap.put(1, "Cat"); treeMap.put(2, "Dog"); treeMap.put(4, "Apple"); treeMap.put(3, "Ball"); System.out.println("treeMap : " + treeMap + "\n"); /* * Removes the mapping for this key from this TreeMap if present. * * Returns: the previous value associated with key, or null if there was * no mapping for key. (A null return can also indicate that the map * previously associated null with key.) */ String value = treeMap.remove(3); System.out.println("value : " + value + "\n"); System.out.println("treeMap : " + treeMap + "\n"); } }
treeMap : {1=Cat, 2=Dog, 3=Ball, 4=Apple} value : Ball treeMap : {1=Cat, 2=Dog, 4=Apple}
https://sites.google.com/site/javaee4321/java-collections/TreeMapDemoRemove.zip?attredirects=0&d=1
See also:
No comments:
Post a Comment