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Pad a String with Zeros or Spaces in Java 1. Overview In this short tutorial, we’ll see how to pad a String in Java. We’ll focus mainly on a left pad, meaning that we’ll add the leading spaces or zeros to it until it reaches the desired length. The approach… Continue Reading java-pad-string
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Kotlin return, break, continue Keywords 1. Overview In this tutorial, we’ll discuss the usage of structural jump expressions in Kotlin. Simply put, Kotlin has three structural jump expressions: return, break, continue. In the next sections, we’ll cover their functionalities with and without a label. 2. Labels in Kotlin Any expressions in… Continue Reading kotlin-return-break-continue
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Apache Commons Collections Bag 1. Introduction In this quick article, we’ll focus on how to use the Apache’s Bag collection. Further reading: Apache Commons BeanUtils Learn how to use Apache Commons BeanUtils for common bean operations. Read more → Apache Commons IO A quick and practical guide to the Apache Commons… Continue Reading apache-commons-bag
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A Guide to Apache Commons DbUtils 1. Overview Apache Commons DbUtils is a small library that makes working with JDBC a lot easier. In this article, we’ll implement examples to showcase its features and capabilities. 2. Setup ==== 2.1. Maven Dependencies First, we need to add the commons-dbutils and h2… Continue Reading apache-commons-dbutils
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Array Processing with Apache Commons Lang 3 1. Overview The Apache Commons Lang 3 library provides support for manipulation of core classes of the Java APIs. This support includes methods for handling strings, numbers, dates, concurrency, object reflection and more. In this quick tutorial, we’ll focus on array processing with… Continue Reading array-processing-commons-lang
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A Guide to Neo4J with Java 1. Introduction This article is about Neo4j – one of the most mature and full-featured graph databases on the market today. Graph databases approach the task of data modeling with the view that many things in life lend themselves to being represented as a… Continue Reading java-neo4j
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Baeldung Weekly Review 22 At the very beginning of 2014 I decided to track my reading habits and share the best stuff here, on Baeldung. 2014 has been quite the year, covering each week with a review. I’ve been doing a lot more reading to make sure I cover and… Continue Reading 2015-week-review-22
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Find the Middle Element of a Linked List 1. Overview In this tutorial, we’re going to explain how to find the middle element of a linked list in Java. We’ll introduce the main problems in the next sections, and we’ll show different approaches to solving them. 2. Keeping Track of… Continue Reading java-linked-list-middle-element
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A Quick Guide to Working with Web Services in Groovy 1. Overview Nowadays, we see a range of ways to expose data by an application over the web. Often, the application uses a SOAP or REST web service to expose their APIs. However, there are streaming protocols like RSS and… Continue Reading groovy-web-services
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Filtering Observables in RxJava 1. Introduction Following the Introduction to RxJava, we’re going to look at the filtering operators. In particular, we’re going to focus on filtering, skipping, time-filtering, and some more advanced filtering operations. 2. Filtering When working with Observable, sometimes it’s useful to select only a subset of… Continue Reading rxjava-filtering
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