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Java 9+ modularity: The difficulties and pitfalls of migrating from Java 8 to Java 9+

developer.ibm.com/tutorials/java-modularity-5

By looking at compatibility, migration issues, and techniques, explore the new APIs and tools, changes, deletions, and deprecations in Java 9+ and create a smoother migration path.

Migration to the latest version of Java made easy

developer.ibm.com/tutorials/migration-to-java-11-made-easy

Scan your Java apps with the WebSphere Migration Toolkit for Application Binaries to identify potential issues when you migrate the apps to a later Java release

Java theory and practice: Run single-file source code programs without compilation

developer.ibm.com/tutorials/java-theory-and-practice-2

Explore this convenient Java 11 feature that allows you to directly run a Java source code file without compilation.

Java 9+ modularity: Module basics and rules

developer.ibm.com/tutorials/java-modularity-2

Explore the basic mechanisms, tools, and rules that you can use to leverage the modular capabilities of Java 9+ and the JPMS to write more clean and well-architected code, libraries, and systems.

Java theory and practice: Explore the new Java SE 11 HTTP Client and WebSocket APIs

developer.ibm.com/tutorials/java-theory-and-practice-3

New Java 11 APIs that are easy to use for simple cases, but also powerful enough for complex ones.

Build Java records from COBOL with IBM Record Generator

developer.ibm.com/tutorials/build-java-records-from-cobol-with-ibm-record-generator

Automate the generation of Java helper classes from a COBOL copybook using the IBM Record Generator for Java V3.0.

Generate Java records from COBOL with IBM Developer J2C tools

developer.ibm.com/tutorials/generating-java-records-from-cobol-with-rational-j2c-tools

Use Java data bindings in IBM Developer for z/OS to create Java classes from COBOL data structures.

Java 9+ modularity: How to design packages and create modules, Part 1

developer.ibm.com/tutorials/java-modularity-3

Learn how to leverage the modular capabilities of Java 9+ to design packages and create modules and discover how the JPMS affects access to APIs while building your own modular app.

Java constructs for real-world applications, Part 2

developer.ibm.com/tutorials/java-language-constructs-2

Continue your introduction to more-sophisticated capabilities of the Java language.

Java 9+ modularity: The theory and motivations behind modularity

developer.ibm.com/tutorials/java-modularity-1

Use the modular capabilities introduced in Java 9+ to improve your skills and boost your productivity, enabling you to write cleaner and better-architected code, libraries, and systems. In this tutorial, explore the reasons behind the changes.

Writing good Java code

developer.ibm.com/tutorials/j-perry-writing-good-java-code

Learn best coding practices that can help you write cleaner, more maintainable Java code.

Java 9+ modularity: How to design packages and create modules, Part 2

developer.ibm.com/tutorials/java-modularity-4

Learn how to leverage the modular capabilities of Java 9+ to design packages and create modules and discover how the JPMS affects access to APIs while building your own modular app.

Java constructs for real-world applications, Part 1

developer.ibm.com/tutorials/java-language-constructs-1

Explore advanced constructs of Java programming, including exception handling, inheritance and abstraction, interfaces, and nested classes.

Get your Java microservice up and running

developer.ibm.com/tutorials/get-your-java-microservice-up-and-running-workshop

Develop a simple Java microservice using Open Liberty and Eclipse MicroProfile, and deploy it to Kubernetes on IBM Cloud.

Embed speech-to-text functions into your Java application

developer.ibm.com/tutorials/embed-speech-to-text-functions-into-your-java-application

Build and run a Java Spring Boot web application that uses IBM Watson Speech to Text as a back-end service.

Transform monolithic Java applications into microservices with the power of AI

developer.ibm.com/tutorials/transform-monolithic-java-applications-into-microservices-with-the-power-of-ai

Modernize business applications using IBM Mono2Micro to transform monolithic Java applications into microservices with the power of AI.

Spring Boot Java applications for CICS, Part 4: JDBC

developer.ibm.com/tutorials/spring-boot-java-applications-for-cics-part-4-jdbc

Create a Java app that accesses a relational database using Spring Boot's approach to JDBC.

Java theory and practice: Explore new Java SE 11 and 12 APIs and language features

developer.ibm.com/tutorials/java-theory-and-practice-1

Explore new classes, security features, HTTP Client, and a no-compile code launch technique that every developer should know.

Java theory and practice: Interactive Java programming (REPL) with JShell 12, Part 1

developer.ibm.com/tutorials/java-theory-and-practice-4

Learn how this read-eval-print loop environment can help you explore new features in a fast way.

Java theory and practice: Interactive Java programming (REPL) with JShell 12, Part 2

developer.ibm.com/tutorials/java-theory-and-practice-5

Learn how to use auto-complete and add JAR files, classes, and modules to sessions.

Workshop: Deploy a Java microservices application to IBM Cloud Code Engine

developer.ibm.com/tutorials/deploy-a-java-microservices-application-to-ibm-cloud-code-engine

Run, monitor, and log a containerized Java microservices app on the IBM Cloud Code Engine managed serverless platform

Use the Watson Developer Java SDK to call the Watson NLU service

developer.ibm.com/tutorials/how-to-use-watson-developer-java-sdk-to-call-watson-nlu-service

Learn how to use the IBM Java SDK, which lets you integrate and use IBM Watson services on a Java device.

Using Arrow Flight with Spark Java applications in IBM Cloud

developer.ibm.com/tutorials/awb-using-arrow-flight-spark-java-applications-ibm-cloud

Learn how the Arrow Flight service provided by IBM Cloud Pak for Data can be used to read and write data sets from within a Spark Java application that is deployed in IBM Analytics Engine. Arrow Flight provides a common interface for Spark applications to interact with a variety of different data sources.

Build your own Java library

developer.ibm.com/tutorials/j-javalibrary

This tutorial reviews how the Java language can help you make a good, reusable library. It covers the key principles of good library design and the most efficient ways to implement each of these ideas in the Java language.

Use Fabric Java SDK to enable client applications to interact with a TLS-enabled Hyperledger Fabric Network

developer.ibm.com/tutorials/hyperledger-fabric-java-sdk-for-tls-enabled-fabric-network

This tutorial provides steps for connecting a TLS-enabled Hyperledger Fabric Network using Fabric Java SDK. It provides basic instructions for getting started interacting with a TLS-enabled network. It explains how to use TLS certificates and provide them in Fabric Java SDK API requests so that clients can send requests...

Get hands on experience with an IBM Event Streams Java sample application

developer.ibm.com/tutorials/event-streams-hands-on-java-sample

In this tutorial, we review an IBM Event Streams Java sample application. We look at how to write client code, so that you learn how to produce and consume messages from Apache Kafka.

Java theory and practice: Effective use of the new switch statement and expression in Java SE 12

developer.ibm.com/tutorials/java-theory-and-practice-6

Simplify everyday coding and prepare the way for using pattern matching.

Explore the Java platform, learn object-oriented programming principles, and create a project

developer.ibm.com/tutorials/j-introtojava1

Learn about object-oriented programming and the Java platform to download, set up your Java development environment, and create a Java project in Eclipse.

Building cloud-native reactive Java messaging applications

developer.ibm.com/tutorials/mq-building-cloud-native-reactive-java-messaging-applications

In this tutoriaal, learn how to enable AMQP in an IBM MQ container, run a reactive Quarkus application with IBM MQ in developer mode, run a Quarkus demo in JVM mode, and build a native-image version of a Quarkus demo and deploy it in containers running highly optimized Java stacks.

Spring Boot Java applications for CICS, Part 5: JMS

developer.ibm.com/tutorials/spring-boot-java-applications-for-cics-part-5-jms

Learn how to use Spring Boot's JMS capabilities integrated into a CICS Liberty server, with IBM MQ as the JMS provider.

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