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Java ArrayList


Java ArrayList are dynamic arrays that can grow as needed not like standard Java arrays which are fixed length.
The following statement will create an ArrayList.


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Introduction to Java: Date


To get the current date is really simple in Java, you just instantiate the Date object from the java.util package.


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Introduction to Java: Methods


Methods in Java is a block of statements that must be in a class and can be executed by calling it from other places.


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Introduction to Java: Arrays


Arrays are a collection of elements having same type. To declare an array, we define the variable type with square brackets.


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Introduction to Java: While Loop


While-loop executes a block of code as long as a specified condition is true.


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Introduction to Java: For Loop


In this tutorial, you will learn how to create a for loop.


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Introduction to Java: Switch Statements


Switch Statement is used when we want to check equality of a variable against number of values.


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Introduction to Java: If Statements


If statement is the most basic way of test a condition. With the if statement you test if a condition is true or false.


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Introduction to Java: First Java Program


In this tutorial we will learn how to write, compile and run our first Java program.


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MicroProfile JWT with Keycloak


In this tutorial, we will learn how to secure our services using MicroProfile JWT and Keycloak.


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MicroProfile Health Check


Health checks are used to determine if the service is running, shutdown, lack of disk space or maybe issues with the database connection. In this tutorial, we will use Eclipse MicroProfile Starter to generate a new project.


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Building an API Backend with MicroProfile (ebook)


Few weeks ago, I started to work on an Ebook called Building an API Backend with MicroProfile, you will learn how to create a simple RESTful API backend with MicroProfile.
The project is open source and hosted on GitHub and everybody can contribute to the project or download the ebook and start coding.


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Eclipse MicroProfile Starter


The new Eclipse MicroProfile Starter is live and it's really easy to generate a new project.
Go to https://start.microprofile.io/ and follow the steps below to generate a new project.


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Interview With Phillip Krüger


What is Apiee and Extensions for MicroProfile? What's so special about MicroProfile and why should we use it? Is the framework de-facto standard because it is popular? This and much more, in our interview below with Phillip Krüger!


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Interview With Cesar Hernandez


What is MicroProfile? How can we start to contribute to Open Source? This and much more, in our interview below with Cesar Hernandez!


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MicroProfile and Kotlin


Kotlin is an object oriented programming language created by JetBrains which runs on top of the JVM and can also be compiled to JavaScript or native code using LLVM.


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MicroProfile Rest Client


MicroProfile Rest Client is used to invoke RESTful services over HTTP and in this tutorial we will learn how to use it.


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Deploy MicroProfile application on Heroku


In this tutorial we will learn how to deploy our MicroProfile application on Heroku and we will use Payara Micro as our application server.


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MicroProfile Config using TomEE


TomEE version 7.1.0 now supports MicroProfile and in this quick tutorial I will show you how to get started with MicroProfile Config using TomEE application server.


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Integration Tests with Arquillian using TomEE


In this tutorial we will learn how to integrate tests with Arquillian using TomEE Application Server.


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