Home » Tag Archives: Spring (page 34)

Tag Archives: Spring

Spring meets Apache Hadoop

spring-interview-questions-answers

SpringSource has just announced the first GA release of Spring for Apache Hadoop. The goal of this project is to simplify the development of Hadoop based applications. You may download the project here and check out the Maven artifacts here. Spring for Apache Hadoop was born to resolve the issue of having poorly constructed Hadoop applications, which usually consist of ...

Read More »

Exception Handling for REST with Spring 3.2

spring-interview-questions-answers

1. Overview This article will focus on how to implement Exception Handling with Spring for a REST API. We’ll look at the older solutions available before Spring 3.2 and then at the new Spring 3.2 support. The main goal of this article is to show how to best map Exceptions in the application to HTTP Status Codes. Which status codes ...

Read More »

Spring Bean names

spring-interview-questions-answers

Spring bean names are straightforward, except for cases where names are not explicitly specified. To start with, Spring bean names for an xml based bean definition is specified this way:                 <bean name='sampleService1' class='mvcsample.beanname.SampleService'> <constructor-arg> <bean class='mvcsample.beanname.SampleDao'></bean> </constructor-arg> </bean> For a Java @Configuration based bean definition, the method name of the @Bean annotated ...

Read More »

Spring Framework: Three Spring Bean Lifecycle Techniques

spring-interview-questions-answers

When using the term ‘lifecycle’ the Guys at Spring are referring to the construction and destruction of your beans and usually this is in relation to the construction and destruction the Spring Context. There are those occassions when the management of your bean’s lifecycle is not a trivial task as there’s the need for it to perform its own internal ...

Read More »

Caching with Spring Data Redis

spring-interview-questions-answers

In the example below, I’ll show you how to use the Spring Data – Redis project as a caching provider for the Spring Cache Abstraction that was introduced in Spring 3.1. I get a lot of questions about how to use Spring’s Java based configuration so I’ll provide both XML and Java based configurations for your review. Dependencies The following ...

Read More »

Spring Data JPA and pagination

spring-interview-questions-answers

Let us start with the classic JPA way to support pagination. Consider a simple domain class – A ‘Member’ with attributes first name, last name. To support pagination on a list of members, the JPA way is to support a finder which takes in the offset of the first result(firstResult) and the size of the result(maxResults) to retrieve, this way: ...

Read More »

Spring MVC 3: Upload multiple files

spring-interview-questions-answers

It was just another long day at office with the database not available and one of the team members lagging by a week now. So, we had to work as a team to get it delivered. In Spring 3, it looked straight forward to upload a file. However, there was little help on offer, to upload multiple files from a ...

Read More »

Spring Data JDBC generic DAO implementation – most lightweight ORM ever

spring-interview-questions-answers

I am thrilled to announce first version of my Spring Data JDBC repository project. The purpose of this open source library is to provide generic, lightweight and easy to use DAO implementation for relational databases based on JdbcTemplate from Spring framework, compatible with Spring Data umbrella of projects.               Design objectives Lightweight, fast and ...

Read More »

Going REST: embedding Jetty with Spring and JAX-RS (Apache CXF)

codehaus-jetty-logo

For hardcore server-side Java developer the only way to ‘speak’ out to the world is by using APIs. Today’s post is all about JAX-RS: writing and exposing RESTful services using Java. But we won’t do that using a traditional, heavyweight approach involving application server, WAR packaging and whatnot. Instead, we will use awesome Apache CXF framework and as always rely ...

Read More »
Want to take your Java Skills to the next level?
Grab our programming books for FREE!
  • Save time by leveraging our field-tested solutions to common problems.
  • The books cover a wide range of topics, from JPA and JUnit, to JMeter and Android.
  • Each book comes as a standalone guide (with source code provided), so that you use it as reference.
Last Step ...

Where should we send the free eBooks?

Good Work!
To download the books, please verify your email address by following the instructions found on the email we just sent you.