Java 8 – How to sort HashMap by its Values first and then by its Keys ?
In this article, we will discuss how to sort a HashMap by its Values first and then by its Keys 1. Sorting HashMap by Value Read More
Tag: LinkedHashMap
Java 8 – Find duplicate count from Integer arrays ?
In this article, we will discuss how to find the desired result from the Integer[] arrays for the problem statement given below 1. Problem statement Read More
Java 8 – How to convert Roman letter/numbers to Integer ?
In this article, we will learn how to convert Roman letters (I, II, III, IV, V, VI, etc.,) into Integer (1, 2, 3, 4, 5, Read More
Java 8 – Display all Zones and its Offset using ZoneId and ZoneOffset
In this articles, we will discuss how to get all Zones and its corresponding Offset information using ZoneId and ZoneOffset Display all Zones and its Read More
Java 8 – Convert Stream to LinkedHashMap
In this article, we will discuss how to convert Stream into a LinkedHashMap in Java 1.8 version using Stream API Stream to LinkedHashMap : Using Read More
Java 8 – Iterating HashMap in 8 ways
In this article, we will learn different ways to iterate through HashMap Different ways to iterate through Map : Using Map.forEach() method Using Map.keySet() and Read More
Java 8 – How to sort LinkedHashMap entries by its Value ?
In this article, we will discuss how to sort a LinkedHashMap entries (key-value pairs) by its Value in Java 8 using Stream‘s sorted() method and Read More
Java 8 – How to sort LinkedHashMap entries by its Key ?
In this article, we will discuss how to sort a LinkedHashMap entries (or key-value pairs) by its Key in Java 8 using Stream‘s sorted() method Read More
Java – How to sort LinkedHashMap by its Values ?
In this article, we will discuss how to convert ordered LinkedHashMap into Sorted TreeMap by its Values With the introduction of Java 8 APIs, sorting LinkedHashMap become easy and more Read More
Java – How to sort LinkedHashMap by its Keys ?
In this article, we will discuss how to convert ordered LinkedHashMap into Sorted TreeMap by its Keys With the introduction of Java 8 APIs, sorting LinkedHashMap become easy and more Read More
Java – Sorting HashMap by Keys and Values
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
Java – Converting Unordered HashMap into Sorted TreeMap
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
Java – How to iterate through LinkedHashMap in reverse-order ?
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
Java – Adding one HashMap to another HashMap using putAll method
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
Java – How to check whether a particular value is present in HashMap ?
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
Java – How to check whether a particular key is present in HashMap ?
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
Java – How to delete all entries of HashMap ?
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
Java – How to delete an entry of HashMap ?
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
Java – Iterate through HashMap in 5 ways
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
Java – How to get size or length of HashMap ?
In this article, we will discuss how to find size or length of a HashMap or implementation classes of Map interface like LinkedHashMap or TreeMap Read More