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A Guide to Inner Interfaces in Java 1. Introduction In this short tutorial, we’ll be looking at inner interfaces in Java. They are mainly used for: solving the namespacing issue when the interface has a common name increasing encapsulation increasing readability by grouping related interfaces in one place A well-known… Continue Reading java-inner-interfaces
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Defining a Char Stack in Java 1. Overview In this tutorial, we’ll discuss how to create a char stack in Java. We’ll first see how we can do this by using the Java API, and then we’ll look at some custom implementations. Stack is a data structure that follows the… Continue Reading java-char-stack
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Extending an Array’s Length 1. Overview In this tutorial, we’ll take a look at the different ways in which we can extend a Java array. Since arrays are a contiguous block of memory, the answer may not be readily apparent, but let’s unpack that now. 2. Using Arrays.copyOf First, let’s… Continue Reading java-array-add-element-at-the-end
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Remove Emojis from a Java String 1. Overview Emojis are becoming more popular in text messaging these days – sometimes we need to clean our text from them and other symbols. In this tutorial, we’ll discuss different ways to remove emojis from a String in Java. 2. Using Emoji Library… Continue Reading java-string-remove-emojis
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A Guide to Apache Ignite 1. Introduction Apache Ignite is an open source memory-centric distributed platform. We can use it as a database, a caching system or for the in-memory data processing. The platform uses memory as a storage layer, therefore has impressive performance rate. Simply put, this is one… Continue Reading apache-ignite
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Java Weekly, Issue 215 Here we go… 1. Spring and Java ===== >> Monitor and troubleshoot Java applications and services with Datadog Sponsored Optimize performance with end-to-end tracing and out-of-the-box support for popular Java frameworks, application servers, and databases. Try it free. >> Code First Java 9 Tutorial [blog.codefx.org] Java… Continue Reading java-weekly-215
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The Baeldung Weekly Review 29 At the very beginning of 2014 I decided to start better documenting my reading habits and sharing them here with all of you. The point is two fold – by curating and documenting, my reading has become more purposeful and diverse. Also – I believe… Continue Reading 2014-week-review-29
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Java toString() Method 1. Overview Every class in Java is a child of the Object class either directly or indirectly. And since the Object class contains a toString() method, we can call toString() on any instance and get its string representation. In this tutorial, we’ll look at the default behavior of toString() and learn how to… Continue Reading java-tostring
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Guava 18: What’s New? 1. Overview Google Guava provides libraries with utilities that ease Java development. In this tutorial we will take a look to new functionality introduced in the Guava 18 release. 2. MoreObjects Utility Class Guava 18 saw the addition of the MoreObjects class, which contains methods that… Continue Reading whats-new-in-guava-18
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JPA Pagination 1. Overview This article illustrates how to implement pagination in the Java Persistence API. It explains how to do paging with basic JQL and with the more type-safe Criteria-based API’s, discussing the advantages and known issues of each implementation. Further reading: Pagination with Spring REST and AngularJS table… Continue Reading jpa-pagination
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