Java 8 – Find First and Last entries in a Map or HashMap
In this article, we will discuss how to get First and Last entries from a Map or HashMap using Java 8 Streams API Find First Read More
Tag: HashMap
Java 8 – How to store multiple values for single key in HashMap ?
In this article, we will discuss how to store/put multiple values for single key in HashMap Sometimes, we might require to store multiple values for Read More
Java – How to make a HashMap read-only ?
In this article, we will discuss how to convert a modifiable HashMap entries into an unmodifiable HashMap entries using Collections.unmodifiableMap(); method Convert HashMap to Read-only Read More
Java 8 – Convert Stream to HashMap
In this article, we will discuss how to convert Stream into a HashMap in Java 1.8 version using Stream API Stream to HashMap : 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 a Map entries by its Value – 6 ways
In this article, we will discuss different ways to sort a Map entries (key-value pairs) by its Value Before proceeding with this sorting examples understand Read More
Java 8 – How to Sort a Map entries by its Key – 6 ways
In this article, we will discuss different ways to sort a Map entries (key-value pairs) by its Key Before proceeding with this sorting examples understand Read More
Java 8 – How to Sort HashMap entries by its Values
In this article, we will discuss how to sort HashMap entries by its Values in ascending & descending order using Java 8 Stream‘s sorted() method Read More
Java 8 – How to Sort HashMap entries by its Keys
In this article, we will discuss how to sort HashMap entries by its Keys in ascending & descending order using Java 8 Before proceeding with Read More
Java 8 – Stream collect() method with examples
In this article, we will discuss Stream’s collect() method in details with examples 1. Stream collect() method: This Stream method is a terminal operation which Read More
Java 8 – Filter a Map by its Key and Value
In this article, we will discuss how to filter a Map by its Key & Value from a Stream using filter() method 1. Filter a Read More
How to check whether HashMap is empty or not ?
In this article, we will discuss and understand with a program to check whether HashMap is empty or not In earlier article, we have seen Read More
How to remove an entry from HashMap by comparing keys in Java 8
In the previous article, we have discussed on how to remove an entry or entries from HashMap by comparing values using Java 8 APIs Here, Read More
How to remove an entry from HashMap by comparing values in Java 8
In this article, we will discuss how to remove an entry or entries from HashMap using Java 8 APIs Before proceeding further, it is recommended Read More
Map: How ConcurrentModificationException can be handled in Java
In this article, we will discuss various possibilities when ConcurrentModificationException is thrown and its resolution with respect to HashMap Often, this term is quite confusing. So, we Read More
Conversion of List to Map in Java 8
In this article, we will discuss how to convert List into Map in Java 8 Already, in the last article we have discussed how to Read More
Conversion of List to Map in Java
In this article, we will discuss how to convert List into Map in Java List v/s Map: Before starting with List to Map conversion, Read More
Conversion of Map to List in Java 8
In this article, we will discuss how to convert Map into List in Java 1.8 version As Map contains key-value pairs which is called Read More
Conversion of Map to List in Java
In this article, we will discuss how to convert Map into List in Java As Map contains key-value pairs which is called as Map Read More
Java – Ways to iterate over List of HashMap
In this article, we will discuss different ways to iterate through List of HashMap. Already, in earlier articles, we have discussed following topics Iterating over Read More