Mastering Java 8's Collectors Class Introduction Java 8 introduced the Stream API, which revolutionized the way we process collections of data. One of the key components of this API is the Collectors class, which provides various methods to perform reduction operations on stream…
In Java, `IntStream` is a part of the java.util.stream package and represents a stream of primitive integers. It's designed to work with the functional programming features introduced in Java 8, allowing you to perform aggregate operations on sequences of elements. Here are some examples of …
Functional interfaces are a key feature introduced in Java 8 to support functional programming concepts. A functional interface is an interface that has exactly one abstract method. It serves as a contract for lambda expressions and method references, allowing functional-style programming in Java. …
Introduction: In Java 8, the introduction of the Stream API revolutionized the way developers manipulate and process collections of data. Among its powerful features are the parallelStream() method and the parallel() method on regular streams. These methods enable concurrent processing, unlocking p…
The Optional class was introduced in Java 8 to handle null values more elegantly. It is a container object which may or may not contain a non-null value. It provides a way to represent null values and also method to handle null values without throwing a NullPointerException. In this post, we will e…
Hi guys, WELCOME TO JAVA INSPIRES. In this post, we will see top 50 java 8 interview questions for senior developers. 1. What is Java 8? Java 8 is a major release of the Java programming language that introduced several new features and enhancements to the platform. 2. What are the new features …
Java Program to Count the Occurrences of Each Character in String In this post, we will write a simple java program to count the occurrences of each character in a given string. Here, first we will take a string and then create a character stream by spliting with "", and collect each c…
In this post, we will see how to transform a list object into different list using streams from Java 8 and Method references. Example #1: Convert all names to Upper case names in a List package java8examples; import java.util.ArrayList; import java.util.List; import java.util.stream.Collect…
Hi Guys, Welcome to Java Inspires. In this post, we will see how to remove all Null values from a Java List using Java 8 Lamdas. package java8examples; import java.util.ArrayList; import java.util.List; import java.util.Objects; /** * * @author #JavaInspires * */ public class J…
Hi Guys, Welcome to Java Inspires. In this post, we will see the program how to convert java.util.Date object to java.time.LocalDate. Java8Example.java package com . javainspires . java8example ; import java.time.LocalDate ; import java.time.ZoneId ; import java.util.Date ; /** * *…
#JavaInspires Hi Guys, Welcome to Java Inspires. In this post, we will see How to get Common elements from two lists using Stream API filter(). Here, we will create two string lists with some common elements and will get common elements list by using filter method from stream api. Java8Exa…
#JavaInspires 😀 Hi Guys, Welcome to Java Inspires. In this example, we will see how to use filter method from Java 8 streams. Here, we will create a employee list and filter the same with employee age greaterthan 30. Java8Example.java package com . java inspires . java8example ; import java.…