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Copy a List to Another List in Java 1. Overview In this quick tutorial, we’ll show different ways to copy a List to another List and a common error produced in the process. For an introduction to the use of Collections, please refer to this article here. 2. Constructor A… Continue Reading java-copy-list-to-another
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Java Web Weekly 38 (formerly the “Baeldung Weekly Review”) This week I’m announcing – and putting into practice – a name change for the “Baeldung Weekly Review“. The new weekly review will be called “Java Web Weekly”. The reason behind the change is simple – I found that the old… Continue Reading 2015-week-review-38
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Spring Security – Persistent Remember Me 1. Overview This article will show how to set up the Remember Me functionality in Spring Security – using not the standard cookie only approach but a more secure solution, using persistence. As a quick intro – Spring can be configured to remember login… Continue Reading spring-security-persistent-remember-me
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Two Login Pages with Spring Security 1. Introduction In this tutorial, we will see how we can configure Spring Security to work with two different login pages using two different Spring Security http elements in the configuration. 2. Configuring 2 Http Elements One of the situations in which we may… Continue Reading spring-security-two-login-pages
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Creating a Triangle with for Loops in Java 1. Introduction In this tutorial, we’re going to explore several ways to print a triangle in Java. There are, naturally, many types of triangles. Here, we’re going to explore only a couple of them: right and isosceles triangles. 2. Building a Right… Continue Reading java-print-triangle
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Spring Component Scanning 1. Overview In this tutorial, we’ll cover component scanning in Spring. When working with Spring, we can annotate our classes in order to make them into Spring beans. But, besides that, we can tell Spring where to search for these annotated classes as not all of them… Continue Reading spring-component-scanning
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Guide to Java NIO2 Asynchronous Channel APIs 1. Overview In this article, we are going to explore the foundations of one of the key additional APIs of the new I/O (NIO2) in Java 7- asynchronous channel APIs. This is first in a series of articles that will cover this particular… Continue Reading java-nio-2-async-channels
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Migrating from JUnit 4 to JUnit 5 1. Overview In this article, we’ll see how we can migrate from JUnit 4 to the latest JUnit 5 release – with an overview of the differences between the two versions of the library. For the general guidelines on using JUnit 5, see… Continue Reading junit-5-migration
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Running a Spring Boot App with Maven vs an Executable War/Jar 1. Introduction In this tutorial, we’ll explore the differences between starting a Spring Boot web application via the mvn spring-boot:run command and running it after it is compiled into a jar/war package via the java -jar command. Let’s assume… Continue Reading spring-boot-run-maven-vs-executable-jar
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JAX-RS Client with Jersey 1. Overview Jersey is an open source framework for developing RESTFul Web Services. It also has great inbuilt client capabilities. In this quick tutorial, we will explore the creation of JAX-RS client using Jersey 2. For a discussion on the creation of RESTful Web Services using… Continue Reading jersey-jax-rs-client
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