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Avoid NullPointerException: Safe Navigation with Groovy

We know it’s all too common in Java to get a NullPointerException when we use an object reference which is null. This happens when our code tries to access a method or field of an object, or element of an array when there’s no instance present – e.g. it refers to null. class Animal { String name Animal parent } ...

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JavaFX Real-World Apps: AISO HRC-Matic

Application number three in the “Real-World JavaFX Apps” series is a heavy-duty data entry application backed up by a relational database called HRC-Matic. It is being developed by AISO in Geneva. AISO is a company specialised in developing business applications based on JavaFX. They are also working on the application presented in my first blog in this series (European Broadcasting Union). ...

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Lucene Analysis Process Guide

This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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Integrating Lucene Search into an Application

This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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Building a Search Index with Lucene

This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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Advanced Lucene Query Examples

This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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Lucene Query (Search) Syntax Examples

This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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Lucene Components Overview

This article is part of our Academy Course titled Apache Lucene Fundamentals. In this course, you will get an introduction to Lucene. You will see why a library like this is important and then learn how searching works in Lucene. Moreover, you will learn how to integrate Lucene Search into your own applications in order to provide robust searching capabilities. ...

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