How-Tos

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Java 101: Mastering Java exceptions, Part 1

Everything you need to know about throwing, trying, catching, and cleaning up after Java exceptions

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Kotlin tutorial: Get started with Kotlin

Kotlin can provide huge benefits to developers currently working on Java and Android projects--here’s how

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Java 101: Datastructures and algorithms in Java, Part 5

In addition to singly linked lists, Java offers several other types of list that you can use to search and sort stored data in your Java programs.

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Java Challengers #2: String comparisons

How String methods, keywords, and operators process comparisons in the String pool

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Big data analytics with Neo4j and Java, Part 2

The tricky part of Neo4j is learning to work with its Cypher Query Language, which requires thinking graphically. Once you've got that down, writing a Java application that integrates with your Neo4j data store is easy.

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Java 101: Datastructures and algorithms in Java, Part 4

Learn how to search and sort linked lists in Java! Examples in this tutorial demonstrate how to create a singly linked list, insert and delete nodes in a singly linked list, and more. Find out which algorithms are most used to sort...

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AWS Lambda tutorial: Get started with serverless computing

12 steps to building an application in the Amazon cloud, without breaking a sweat or a budget

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Git essentials: Get started with Git version control

Learn how Git manages versions and how to install the necessary software to access Git servers where your software project will be stored

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Big data analytics with Neo4j and Java, Part 1

Graph databases like Neo4j are ideal for modeling complex relationships between collections of users--and they move through big data at lightspeed. This tutorial gets you started with graph databases and analytics in Java.

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GitHub tutorial: Get started with GitHub

Every developer should be on GitHub. Follow these steps to create a repository, push commits, merge pull requests, and clone and fork other repos

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Docker tutorial: Get started with Docker Compose

Learn how to use Docker’s native service configuration and deployment tool for testing and debugging multi-container apps

Java Q&A post 36: Language oddities

Java language oddities

The Java language includes various behaviors that may puzzle newcomers to the language. This post examines three such behaviors involving arrays, bytes and shorts, and private fields and methods.

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Java 101: Datastructures and algorithms in Java, Part 3

Multidimensional arrays are useful for complex computing scenarios, and ragged arrays can help conserve memory for big data applications. Learn how to create multidimensional arrays and ragged arrays and use them in your Java programs....

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Serverless computing with AWS Lambda, Part 2

Integrate your AWS Lambda backend with a DynamoDB datastore, then use the AWS SDK to invoke Lambda functions from a Java client

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Serverless computing with AWS Lambda, Part 1

Serverless computing is no magic carpet, but how does it really work? Get an overview of AWS Lambda's nanoservices architecture and execution model, then build your first Lambda function in Java

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Jenkins tutorial: Get started with Jenkins continuous delivery

How to use Jenkins Blue Ocean and NPM to create a CICD pipeline for a Node.js and React application

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Base64 encoding and decoding in Java 8

Java 8 will be remembered mainly for introducing lambdas, streams, a new date/time model, and Nashorn--but don't miss the new Base64 API. It could be just what you need to ensure data integrity in transit.

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Programming with Java APIs, Part 2: API definitions

Take Swagger for a test drive with this hands-on introduction to Java API programming with OpenAPI, Spring Web MVC, and Angular 2

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How to improve your scrum master skills

Building your scrum master skills leads to a several career opportunities. Here are the skills that will take you to the next level

Java 101: Datastructures and algorithms, Part 2

Java 101: Datastructures and algorithms in Java, Part 2

Get started with one-dimensional arrays and array variables, then try out five algorithms for searching and sorting arrays in your Java programs

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