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: forEach
Java 8 – Find First and Last elements in a Set or HashSet
In this article, we will discuss how to get First and Last elements from a Set or HashSet using Java 8 Streams API Find First Read More
Java 8 – Find sum and average of a List or ArrayList
In this article, we will discuss how to calculate sum and average of a List or ArrayList in Java 8 1. Java 8 – Find Read More
Java 8 – How to find duplicate and its count in an Arrays ?
In this article, we will discuss how to find and count duplicates in an Arrays in different ways Find and count duplicates in an Arrays Read More
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 8 – How to find duplicate in a Stream or List
In this article, we will discuss how to find and count duplicates in a Stream or List in different ways Find and count duplicates in Read More
Java 8 – How to remove duplicate from Arrays ?
In this article, we will discuss how to remove duplicate elements from Array Also read, Different ways to remove duplicate elements from Arrays in Java 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 – How to make a HashSet read-only ?
In this article, we will discuss how to convert a modifiable HashSet into an unmodifiable HashSet using Collections.unmodifiableSet(); method Convert HashSet to Read-only HashSet is Read More
Java – How to make an ArrayList read-only ?
In this article, we will discuss how to convert a modifiable ArrayList into an unmodifiable ArrayList using Collections.unmodifiableList(); method Convert ArrayList to Read-only ArrayList is Read More
Java 8 – Convert List to Stream
In this article, we will discuss how to convert List into Stream in Java 1.8 version using stream() method List to Stream : Using stream() Read More
Iterating List from JDK 1.0 to Java 1.8 version – 7 ways
In this article, we will discuss how to iterate/print List (ArrayList/LinkedList) from Java 1.0 to Java 1.8 version. In one of the previous article, we 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 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 – How to sort LinkedHashSet using Stream
In this article, we will discuss how to sort LinkedHashSet elements in ascending & descending order using Java 8 Before proceeding with this sorting examples understand Read More
Java 8 – How to sort ArrayList using Stream
In this article we will discuss different ways to sort ArrayList elements using Java 8 Before proceeding with this sorting examples understand below items, What Read More
Java 8 – How to remove duplicates from LinkedList
In this article, we will discuss how to remove duplicate element/objects from LinkedList with examples using different approaches Also read How to remove duplicates from Read More
Java – How to print an Array
In this article, we will see how to print elements of an Array Read Various ways to iterate Arrays in Java – 5 ways 1. Read More
Java 8 – Array to Stream conversion
In the previous article, we seen how to convert Stream to Array using toArray() method of Stream API. This article illustrates about Array to Stream Read More