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New Stream, Comparator and Collector in Guava 21 1. Introduction This article is first in the series about the new features launched with Version 21 of the Google Guava library. We’ll discuss newly added classes and some major changes from previous versions of Guava. More specifically, we’ll discuss additions and… Continue Reading guava-21-new
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Guide to Guava’s PreConditions 1. Overview In this tutorial, we’ll show how to use the Google Guava’s Preconditions class. The Preconditions class provides a list of static methods for checking that a method or a constructor is invoked with valid parameter values. If a precondition fails, a tailored exception is… Continue Reading guava-preconditions
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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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Guide to Guava RangeSet 1. Overview In this tutorial, we’ll show how to use the Google Guava’s RangeSet interface and its implementations. A RangeSet is a set comprising of zero or more non-empty, disconnected ranges. When adding a range to a mutable RangeSet, any connected ranges are merged together while… Continue Reading guava-rangeset
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Guava – Sets 1. Overview In this tutorial, we’ll illustrate the most useful ways you can leverage Guava to work with Java Sets. Let’s start very simple and create a HashSet without the new operator, using Guava: Set<String> aNewSet = Sets.newHashSet(); 2. Union of Sets First, let’s take a look… Continue Reading guava-sets
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Guava Collections Cookbook 1. Introduction This cookbook article is organized into small and focused recipes and code snippets for using Guava style collections. The format is that of a growing list of code examples with no additional explanation necessary – it is meant to keep common usages of the API… Continue Reading guava-collections
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Bloom Filter in Java using Guava 1. Overview In this article, we’ll be looking at the Bloom filter construct from the Guava library. A Bloom filter is a memory-efficient, probabilistic data structure that we can use to answer the question of whether or not a given element is in a… Continue Reading guava-bloom-filter
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Guava Ordering Cookbook 1. Introduction This cookbook illustrates how to use the Guava style Ordering and Comparators. It is continuing the cookbook and example focus format that I started in the previous post about Guava collections. 2. The Cookbook dealing with nulls in a Collection nulls first List<Integer> toSort =… Continue Reading guava-order
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Guava 19: 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 19 release. 2. common.base Package Changes 2.1. Added CharMatcher Static Methods CharMatcher, as its name implies, is used to… Continue Reading whats-new-in-guava-19
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Guava – Maps 1. Overview In this tutorial we’ll illustrate the most useful ways you can leverage Guava to work with Java Maps. Let’s start very simple and create a HashMap without the new operator, using Guava: Map<String, String> aNewMap = Maps.newHashMap(); 2. ImmutableMap Next – let’s see how to… Continue Reading guava-maps
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