Tag: TreeMap

In this article, we will discuss how to sort HashMap by its Keys and Values 1. Sorting HashMap by its Keys : We can sort Read More

In this article, we will discuss how to convert unordered HashMap into Sorted TreeMap We can sort HashMap in both ascending and descending order, by Read More

In this article, we will discuss how to iterate through contents of LinkedHashMap in reverse-order 1. Key points about LinkedHashMap: LinkedHashMap maintains insertion-order as it Read More

In this article, we will add one HashMap contents to another HashMap using putAll() method of Map interface Adding one HashSet to another HashSet : Method Read More

In this article, we will discuss how to check whether a value is present in the invoking HashMap or Not ? 1. Searching a value Read More

In this article, we will discuss how to check whether a key is present in the invoking HashMap or Not 1. Searching a key from Read More

In this article, we will discuss how to remove all entries from invoking HashMap 1. HashMap : clear() –> to delete all entries present in HashMap Note: above Read More

In this article, we will discuss how to remove a particular entry from invoking HashMap 1. HashMap : remove(key) –> to delete a particular entry by specifying Read More

In this article, we will discuss various ways to iterate through HashMap or implementation classes of Map interface like LinkedHashMap or TreeMap Map implementation classes Read More