#sortedmap

Java Map vs HashMap vs TreeMap vs LinkedHashMap

Java Map Java Map is an interface with the following signature.  public interface Map Here are some properties of Java Map: It defines an operation to map keys to values. A map cannot contain duplicate keys; each key can map to at most one value. The Map interface provides three collection views, which allow a map’s contents to be viewed as a set of keys, collection of values, or set of key-value…

In this post, I will use examples to show how to use Java Sorted Map. A SortedMap is a Map that sort its entries in ascending order according to the keys’ natural ordering, or according to a Comparator provided at the time of building a SortedMap. SortedMap is useful if you want to quickly locate an entry that is larger than a specified key. For example, it can be used to implement a Consistent…