getdocs, Author at Get docs

spring-persisting-ddd-aggregates

Persisting DDD Aggregates 1. Overview In this tutorial, we’ll explore the possibilities of persisting DDD Aggregates using different technologies. 2. Introduction to Aggregates An aggregate is a group of business objects which always need to be consistent. Therefore, we save and update aggregates as a whole inside a transaction. Aggregate… Continue Reading spring-persisting-ddd-aggregates

Posted on: 2019-10-08 2019-11-19
Author: getdocs
Tags: Persistence, Spring Data
Leave a comment: spring-persisting-ddd-aggregates

java-string-conversions

Java String Conversions 1. Overview In this quick article, we’ll explore some simple conversions of String objects to different data types supported in Java. 2. Converting String to int or Integer If we need to convert a String to primitive int or Integer wrapper type, we can use either the… Continue Reading java-string-conversions

Posted on: 2019-10-08 2019-11-19
Author: getdocs
Tags: Java String
Leave a comment: java-string-conversions

java-string-joiner

Java 8 StringJoiner 1. Introduction StringJoiner is a new class added in Java 8 under java.util package. Simply put, it can be used for joining Strings making use of a delimiter, prefix, and suffix. 2. Adding Elements We can add Strings using the add() method: @Test public void whenAddingElements_thenJoinedElements() {… Continue Reading java-string-joiner

java-map-duplicate-keys

How to Store Duplicate Keys in a Map in Java? 1. Overview In this tutorial, we’re going to explore the available options for handling a Map with duplicate keys or, in other words, a Map which allows storing multiple values for a single key. 2. Standard Maps Java has several… Continue Reading java-map-duplicate-keys

Posted on: 2019-10-08 2019-11-19
Author: getdocs
Tags: Java Map
Leave a comment: java-map-duplicate-keys

java-sql2o

A Guide to the sql2o JDBC Wrapper 1. Introduction In this tutorial, we’re going to take a look at Sql2o, a small and fast library for relational database access in idiomatic Java. It is worth to mention that even though Sql2o works by mapping query results to POJOs (plain old… Continue Reading java-sql2o

spring-abstract-routing-data-source

A Guide to Spring AbstractRoutingDatasource Spring Persistence 1. Overview In this quick article, we’ll look at Spring’s AbstractRoutingDatasource as a way of dynamically determining the actual DataSource based on the current context. As a result, we’ll see that we can keep DataSource lookup logic out of the data access code.… Continue Reading spring-abstract-routing-data-source

Posted on: 2019-10-08 2019-10-08
Author: getdocs
Tags: Spring Persistence
Leave a comment: spring-abstract-routing-data-source

spring-data-mongodb-guide

Spring Data MongoDB Tutorial This is a guide to Spring Data MongoDB – starting with a quick intro on how to hit the ground running in a Spring project, to more complex and useful usecases and features of the library. Spring Data MongoDB Basics + [.thrv-advanced-inline-text .tve_editable .tcb-styled-list-icon-text .tcb-no-delete .tcb-no-save]#… Continue Reading spring-data-mongodb-guide

Posted on: 2019-10-08 2019-11-19
Author: getdocs
Tags: MongoDB
Leave a comment: spring-data-mongodb-guide

gwt

Introduction to GWT 1. Introduction GWT or Google Web Toolkit is a framework for building high-performance web applications in Java. In this tutorial, we’re going to focus on and cover some of its key capabilities and functionality. 2. GWT SDK The SDK contains the Java API libraries, a compiler, and a development… Continue Reading gwt

java-phantom-reference

Phantom References in Java 1. Overview In this article, we’ll have a look at the concept of a Phantom Reference – in the Java language. 2. Phantom References Phantom references have two major differences from soft and weak references. We can’t get a referent of a phantom reference. The referent… Continue Reading java-phantom-reference

java-indexOf-find-string-occurrences

Using indexOf to Find All Occurrences of a Word in a String 1. Overview The chore of searching for a pattern of characters, or a word, in a larger text string is done in various fields. In bioinformatics, for example, we may need to find a DNA snippet in a… Continue Reading java-indexOf-find-string-occurrences

Posted on: 2019-10-08 2019-11-19
Author: getdocs
Tags: Java Search, Java String
Leave a comment: java-indexOf-find-string-occurrences