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java-pdf-creation

Creating PDF Files in Java 1. Introduction In this quick article, we’ll focus on creating PDF document from scratch based on popular iText and PdfBox library. 2. Maven Dependencies Let’s take a look at the Maven dependencies, which needs to be included in our project: <dependency> <groupId>com.itextpdf</groupId> <artifactId>itextpdf</artifactId> <version>5.5.10</version> </dependency>… Continue Reading java-pdf-creation

spring-boot-auto-configuration-report

Display Auto-Configuration Report in Spring Boot 1. Overview The auto-configuration mechanism in Spring Boot attempts to automatically configure an application based on its dependencies. In this quick tutorial, we’ll see how Spring Boot can log its auto-configuration report at startup time. 2. Sample Application Let’s write a simple Spring Boot… Continue Reading spring-boot-auto-configuration-report

Posted on: 2019-10-08 2019-11-19
Author: getdocs
Tags: Spring Boot
Leave a comment: spring-boot-auto-configuration-report

java-stream-sum

Summing Numbers with Java Streams 1. Introduction In this quick tutorial, we’ll show various ways of calculating the sum of integers, using the Stream API. For the sake of simplicity, we’ll use integers in our examples. However, we can apply the same methods to longs and doubles as well. 2. Using… Continue Reading java-stream-sum

jersey-test

Exploring the Jersey Test Framework 1. Overview In this tutorial, we’re going to take a look at the Jersey Test Framework and see how we can use it to quickly write integration tests. As we’ve already seen in previous articles, Jersey is an open source framework for developing RESTful Web… Continue Reading jersey-test

vavr-future

Introduction to Future in Vavr 1. Introduction Core Java provides a basic API for asynchronous computations – Future. CompletableFuture is one of its newest implementations. Vavr provides its new functional alternative to the Future API. In this article, we’ll discuss the new API and show how to make use of… Continue Reading vavr-future

liquibase-rollback

Introduction to Liquibase Rollback 1. Overview In our previous article, we showed Liquibase as a tool for managing database schemas and data. In this article, we’re going to look more into the rollback feature – and how we can undo a Liquibase operation. Naturally, this is a critical, feature of… Continue Reading liquibase-rollback

java-logging-ndc-log4j

Java Logging with Nested Diagnostic Context (NDC) 1. Overview Nested Diagnostic Context (NDC) is a mechanism to help distinguish interleaved log messages from different sources. NDC does this by providing the ability to add distinctive contextual information to each log entry. In this article, we will explore the use of… Continue Reading java-logging-ndc-log4j

java-web-weekly-139

Java Web Weekly, Issue 139 At the very beginning of last year, I decided to track my reading habits and share the best stuff here, on Baeldung. Haven’t missed a review since. Here we go… 1. Spring and Java ===== >> Solving Fat JAR Woes at HubSpot [infoq.com] A very… Continue Reading java-web-weekly-139

java-file-sftp

Transferring a File Through SFTP in Java 1. Overview In this tutorial, we’ll discuss how to upload and download files from a remote server using SFTP in Java. We’ll use three different libraries: JSch, SSHJ, and Apache Commons VFS. 2. Using JSch First, let’s see how to upload and download… Continue Reading java-file-sftp

jpa-join-types

JPA Join Types 1. Overview In this tutorial, we’ll look at different join types supported by JPA. For that purpose, we’ll use JPQL, a query language for JPA. 2. Sample Data Model Let’s look at our sample data model that we’ll use in the examples. Firstly, we’ll create an Employee… Continue Reading jpa-join-types