How-Tos

Seven (7) colorful chalks on blackboard / primary colors / secondary colors
Matryoshka /Russian nesting dolls > inheritance / sequencing / pattern

Matryoshka /Russian nesting doll > inheritance / sequencing / hidden layers

Java 101: Inheritance in Java, Part 1: The extends keyword

Use Java's extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, override methods, and more

Java / binary code / gears / programming / coding / development

Java 101: Classes and objects in Java

Learn how to make classes, fields, methods, constructors, and objects work together in your Java applications.

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Java 101: Deciding and iterating with Java statements

Do you want to loop, switch, or take a break? Learn how to use standby statements like for, while, if-else, and break, then get started with the new switch expressions in Java 12

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Java 101: Evaluate Java expressions with operators

Everything you need to know about the Java operator types and using them to write and evaluate Java expressions in Java 12

JavaWorld > Persistence [series] > data blocks / structure / database / data center

Java persistence with JPA and Hibernate, Part 2: Many-to-many relationships

Many-to-many relationships and cascade type strategies in JPA and Hibernate

language / alphabet / letters / characters

Java 101: Elementary Java language features

Learn three ways to document your code, then get started using identifiers, types, literals, and variables in Java 12

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Java 101: Learn Java from the ground up

If you're new to Java then you've come to the right place. Get an overview of the Java platform, then code your first application using Java 12 and the new Java Shell

JavaWorld > Persistence [series] > data / data center / database / server

Java persistence with JPA and Hibernate, Part 1: Entities and relationships

Get started modeling entities and relationships for Java data persistence, using an example application based on Java 8 with Hibernate 5.3.6

data conversion

Java XML and JSON: Document processing for Java SE, Part 2: JSON-B

Use the Java API for JSON Binding (JSON-B) to serialize and deserialize Java objects, arrays, and collections in Java SE

transformation / conversion / data cubes shift from one color to another

Java XML and JSON: Document processing for Java SE, Part 1

Learn how to transform and convert XML and JSON documents with SAXON and Jackson

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How to create apps that work together across Windows, iOS, and Android

Project Rome SDKs arrive for iOS and Android, so your apps can now take advantage of Microsoft’s cross-platform technologies

JavaWorld > Android Studio for Beginners [movile java package] > Part 4: Debug + Extend

Android Studio for beginners, Part 4: Debugging tools and productivity plugins

Use built-in tools and plugins to improve code quality and boost productivity in Android Studio

JavaWorld > Android Studio for Beginners [movile java package] > Part 3: Build + Test

Android Studio for beginners, Part 3: Build and run the app

Build your app with Gradle, then run it with the Android device emulator. This update includes troubleshooting advice for the Android device emulator

JavaWorld > Android Studio for Beginners [movile java package] > Part 2: Code

Android Studio for beginners, Part 2: Explore and code the app

Write your first animated Android app with Android Studio's Project editor

JavaWorld > Android Studio for Beginners [movile java package] > Part 1: Install + Setup

Android Studio for beginners, Part 1: Installation and setup

If you're new to Android Studio, start here: Part 1 walks through installing Android Studio 3.x and launching your first Android project

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How to write agile user stories: 7 guidelines

Beyond the basics: how to provide agile user stories more definition and structure to ensure there is a shared understanding of the intent and underlying requirements

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5 principles to becoming a collaborative agile devops team

Agile and devops are not just practices and technologies—they are designed to change how people in IT work together

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How JavaScript promises work

Learn why JavaScript promises are like a gift box and get up to speed with JavaScript promise syntax

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