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What are Cloud-Native Applications ?

1. What Cloud-Native Applications are – Introduction The term cloud-Native Apps can have many meanings. In this post, we want to share some considerations, definitions and some values, practices and tools. Business and IT have never needed to be so aligned as they are today. We live in an era of constant innovation and not to say at least daily. ...

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Deploying a simple Spring Boot application on Docker

Welcome readers, in this tutorial, we will discuss how to deploy a simple Spring Boot application on Docker. 1. Introduction to Docker In the present world, Docker is an important term, Often used in CI/CD platform that packages and runs the application with its dependencies inside a container Is a standard for Linux Containers A Container is a runtime that ...

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C# vs Java: The Most Important Differences

In this post, we feature a comprehensive article about Java vs C# and their most important differences. Java and C# are the object-oriented programming languages. C# and Java are platform-independent languages. In this tutorial, we see the features of Java and C# to see the differences. 1. Overview We look at the comparison of Java vs C# languages in this ...

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Java String Methods from Java 8 to Java 14

In this article, we will look at the new string methods added to the Java API from versions 8 to 14. 1. Java String Methods – Java 8 The newly added method in Java 8 is join for joining up the various strings. Let us see the methods with an example: public class StringDemo { public static void main(String[] args) ...

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Fibonacci Java Example

In this article, we are going to explain the Fibonacci sequence in Java. We will see the Fibonacci series of numbers and how they can be generated in Java in various ways, like recursion and using the classical loop. Fibonacci series generation is a classic interview question for entry-level programmers. 1. What is the Fibonacci series? The Fibonacci series is ...

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Java Unit Testing Tutorial

This is a tutorial for Java unit testing. In this tutorial, I will create a spring boot application which includes test cases written with Junit, Mockito, and Spring test. The overall unit tests cover 90 percent of the application. You can also check this tutorial in the following video: Unit Testing Tutorial – video Table Of Contents 1. Introduction 2. ...

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Java.util.Dictionary Class – Java Dictionary Example

1. Introduction In this example, we will learn about java.util.Dictionary class. The Dictionary class is the abstract parent of any class which maps keys to values e.g. Hashtable. In a Dictionary object, every key is associated with at most one value. Using the Dictionary object and the key we can lookup for the respective element. Any non-null object can be ...

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How to get the Docker container IP address

Welcome readers, in this tutorial, we will discuss how to get an IP address assigned to a running docker container. 1. Introduction to Docker In the present world, Docker is an important term, Often used in CI/CD platform that packages and runs the application with its dependencies inside a container Is a standard for Linux Containers A Container is a ...

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Spring Boot Interview Questions and Answers

In this article, we are going to discuss some of the Spring Boot interview questions and answers. This is a summary of some of the most important questions concerning the Spring Boot Framework, that you may be asked to answer in an interview! There is no need to worry about your next interview test because Java Code Geeks are here ...

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Integer Java Class Example

In this article, we will learn about the Integer Java class. We will discuss some of the important methods, like the integer.parseint method (Java parseint method), the toString(), the intValue(), the toUnsignedString(), the toHexString(), the toOctalString(), the toBinaryString(), the valueOf(), and the decode(). 1. Introduction The Integer Java class wraps a value of the primitive type int in an object. ...

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