Click here to watch in Youtube :
https://www.youtube.com/watch?v=CoTksrBbJ0U&list=UUhwKlOVR041tngjerWxVccw
TreeMapExample.java
Output
https://www.youtube.com/watch?v=CoTksrBbJ0U&list=UUhwKlOVR041tngjerWxVccw
TreeMapExample.java
import java.util.Map; import java.util.TreeMap; /* * Example of ceilingEntry(K key) method. */ public class TreeMapExample { public static void main(String[] args) { TreeMap<Integer, String> treeMap = new TreeMap<Integer, String>(); treeMap.put(10, "Cat"); treeMap.put(50, "Dog"); treeMap.put(30, "Apple"); treeMap.put(40, "Ball"); treeMap.put(20, "Eagle"); System.out.println("treeMap : " + treeMap + "\n"); /* * Returns a key-value mapping associated with the least key greater * than or equal to the given key, or null if there is no such key. */ Map.Entry<Integer, String> entry = treeMap.ceilingEntry(15); System.out.println("ceilingEntry(15) : " + entry); entry = treeMap.ceilingEntry(30); System.out.println("ceilingEntry(30) : " + entry); entry = treeMap.ceilingEntry(200); System.out.println("ceilingEntry(200) : " + entry); } }
treeMap : {10=Cat, 20=Eagle, 30=Apple, 40=Ball, 50=Dog} ceilingEntry(15) : 20=Eagle ceilingEntry(30) : 30=Apple ceilingEntry(200) : null
https://sites.google.com/site/javaee4321/java-collections/TreeMapDemoCeilingEntry.zip?attredirects=0&d=1
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