Java 8 – How to convert HashMap to ArrayList
In this article, we will learn how to convert HashMap entries (key-value pairs) into ArrayList As Map contains Key-Value pairs, so we can extract keys Read More
Tag: ArrayList
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 – 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 Read More
Conversion of ArrayList to Arrays in Java – 2 ways
In this article, we will discuss how to convert ArrayList to Arrays in different ways 1. Conversion of ArrayList to String Arrays using toArrays(); method Read More
How to sort LinkedHashSet contents in Java ?
In this article, we will discuss how to sort contents of LinkedHashSet Key points about LinkedList: LinkedHashSet maintains insertion-order as it uses doubly-linked list and hash table to store element/objects Different Read More
3 types of for loop in Java
In this article, we will discuss different types of for-loop evolved over years in various Java versions Starting Java 1.1 version, for-loop was always there Read More
Overriding toString() method to print values of ArrayList in Java
In this article, we will discuss and understand why we need to override toString() method for displaying ArrayList contents Problem statement: Assume that we want Read More
Converting StringTokenizer tokens into ArrayList in Java
In this article, we will discuss how to convert StringTokenizer tokens into ArrayList Few things to note: StringTokenizer is deprecated now, but however it is Read More
How to Sort HashSet in Java – 2 ways
In this article, we will discuss how to sort HashSet. Already, in one of the earlier article we discussed about HashSet sorting in ascending & 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
Conversion of Arrays to List in Java 8
In this article, we will discuss how to convert Arrays into List in Java 8 using Streams class Solution (version-wise): Until Java 1.7 version, Read More
Various ways to remove duplicate elements from Arrays in Java
In this article, we will discuss various ways to remove duplicate elements from Arrays in Java i.e.; Various ways to remove duplicate elements from Arrays: Read More
Remove duplicate elements from ArrayList in Java
In this article, we will discuss how to remove duplicate elements from ArrayList in Java Already, we have discussed in one of the earlier article Read More
Sorting ArrayList using sort() method of List in Java 8
In this article, we will discuss how to sort contents of ArrayList using sort() method of List in Java 8 Until Java 1.7 version: Read More
Arrays v/s ArrayList
In this article, we will discuss difference between Arrays and ArrayList in detail i.e.; Arrays v/s ArrayList Difference will be based on below parameters, Size Read More
Various ways to iterate over List of HashMap in Java
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