Upcasting And DownCasting In Java

Upcasting and DownCasting In Java

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Upcasting and DownCasting In Java:- It is one of the most popular interview questions in Java. We will talk about  Up casting and Down Casting in Java. Let’s have a look at the problem or rather question.

What would be the Output ? If you know the answer then i think you are not […]

Constructor Injection and Field Injection Misconception Cleared

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Constructor Injection and Field Injection Misconception Cleared:- In this post i am gonna talk about Constructor and Field injection . It came out of a fight between me and my friend that Constructor Injections are better and we had a pretty much bad fight. It all started with this line in my code . Lmme […]

Features and Enhancements Java 10

What’s New in JDK 10 – Features and Enhancements Java 10 ?

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What’s New in JDK 10 – Features and Enhancements Java 10? Java released its new version Java 10 recently. Java Standard Edition 10, was released on March 20, 2018.There are few updates in security, collections api and  garbage collection are  done in java .Let’s check some of the features and enhancements in Java 10.This release of JDK […]

Spring Boot Reactive MongoDB

CRUD Rest API With Spring Web-Flux Reactive Programming with Spring 5

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CRUD Rest API With Spring Web-Flux Reactive Programming with Spring 5:- Spring has released Reactive Web Framework and it is one of the hot topics in Spring world.Our controllers now run on Spring Reactive Engine. We will show a basic Spring Web-Flux Crud example. Spring Framework 5 embraces Reactive Streams and Reactor for its own reactive use […]

How to use Java 8 Streams Filter in Java Collections

How to use Java 8 Streams Filter in Java Collections

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How to use Java 8 Streams Filter in Java Collections:-  In this article, we are going to discuss how to use Java 8 Streams Filter effectively in java collections.We are going to demonstrate examples of Java 8 streams filter using fliter(),collect(),distinct(),limit(),findany().Lets try and understand with following use case. we are going to create a list of Users […]

Spring Boot Jboss RestEasy

Spring Boot Jersey Jboss RestEasy Issue RESTEASY003900

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Spring Boot Jersey  JBoss RestEasy Issue:-  I am working on one of my application and it has to be deployed on JBoss application server. As per my understanding, i think it is not a time-consuming Stuff.So I  have created a WAR of my SpringBoot app and deployed to JBoss. Once I deploy my war on   Spring Boot ,  […]

Override or overload static methods in java

Overload Or Override Static Methods in Java

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If I talk about Overload Or Override a Static Methods in java, we need to remember few points. Points about  static method to remember :- Static Method Belongs to class not Object. A static method can be accessed directly by the class name and doesn’t need any object Can We OverLoad Static Methods In Java:- […]

Hashcode And Equals

hashcode() and equals() method in java

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hashcode() and equals() method in Java:- hashcode() and equals() in Java are the two basic fundamental methods present in the Object class. Most collection classes usehashcode()equals() method to check object equality.Java.lang.Object has methods called hasCode() and equals(). These methods play a crucial role in an application. hashcode :- java.lang.object has hashCode() method , which returns hashcode of […]