How-Tos

assembly / architecture / modular structure / components
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Automation  >  An assembly line's robotic arms conveyor belt work with binary code.

Machine learning for Java developers, Part 2: Deploying your machine learning model

How to build and deploy a machine learning data pipeline in a Java-based production environment

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Machine learning for Java developers, Part 1: Algorithms for machine learning

Set up a machine learning algorithm and develop your first prediction function in Java, then get started with Weka.

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Get started with method references in Java

Why you should use method references instead of anonymous classes in your functional Java programs

Java  >  Lambda expressions  >  Lambda symbol / abstract formulas / binary code

Get started with lambda expressions in Java

Learn how to use lambda expressions and functional programming techniques in your Java programs

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Mastering Java exceptions, Part 2: Advanced features and library types

Take your Java exceptions to the next level with stack traces, exception chaining, try-with-resources, final re-throw, and more

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Mastering Java exceptions, Part 1: Exception handling basics

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

Interfaces in Java

Interfaces in Java

Learn the difference between classes and interfaces once and for all, then get started declaring, implementing, and extending interfaces in your Java programs

Java 101: Class and object initialization

Class and object initialization in Java

Learn how to to initialize Java classes and objects for successful JVM execution

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The best programming language to learn

Python is clearly the best choice, unless a better choice is Java or JavaScript. Let’s compare

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Java polymorphism and its types

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method

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Java tip: Fields and methods in Java

Learn seven advanced techniques for working with fields and methods in Java, including recursion, method call chaining, pass-by-value arguments, and rules for calling methods

Matryoshka /Russian nesting dolls > inheritance / sequencing / pattern

Inheritance in Java, Part 2: Object and its methods

Get to know Java's Object superclass and its methods for duplicating, comparing, cleaning up, and scheduling Java objects

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

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

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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Loop, switch, or take a break? Deciding and iterating with Java statements

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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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

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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