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Method Parameter Reflection in Java 1. Overview Method Parameter Reflection support was added in Java 8. Simply put, it provides support for getting the names of parameters at runtime. In this quick tutorial, we’ll take a look at how to access parameter names for constructors and methods at runtime –… Continue Reading java-parameter-reflection
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Combining Publishers in Project Reactor 1. Overview In this article, we’ll take a look at various ways of combining Publishers in Project Reactor. 2. Maven Dependencies Let’s set up our example with the Project Reactor dependencies: <dependency> <groupId>io.projectreactor</groupId> <artifactId>reactor-core</artifactId> <version>3.1.4.RELEASE</version> </dependency> <dependency> <groupId>io.projectreactor</groupId> <artifactId>reactor-test</artifactId> <version>3.1.4.RELEASE</version> <scope>test</scope> </dependency> 3. Combining Publishers… Continue Reading reactor-combine-streams
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Introduction to Cobertura 1. Overview In this article, we will demonstrate several aspects of generating code coverage reports using Cobertura. Simply put, Cobertura is a reporting tool that calculates test coverage for a codebase – the percentage of branches/lines accessed by unit tests in a Java project. 2. Maven Plugin… Continue Reading cobertura
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Check If a String Contains Multiple Keywords 1. Introduction In this quick tutorial, we’ll find out how to detect multiple words inside of a string. 2. Our Example Let’s suppose we have the string: String inputString = “hello there, Baeldung”; Our task is to find whether the inputString contains the “hello” and… Continue Reading string-contains-multiple-words
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Spring Data Reactive Repositories with Couchbase 1. Overview In this tutorial, we’ll learn how to configure and implement database operations in a reactive way on Couchbase using Spring Data Repositories. We’ll cover the basic usages of ReactiveCrudRepository and ReactiveSortingRepository. Additionally, we’ll configure our test application with AbstractReactiveCouchbaseConfiguration. 2. Maven Dependencies Firstly, let’s add… Continue Reading spring-data-reactive-couchbase
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Java Web Weekly, Issue 132 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 ===== >> Implementing HAL hypermedia REST API using Spring HATEOAS [opencredo.com]… Continue Reading java-web-weekly-132
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Java Weekly, Issue 293 Here we go… 1. Spring and Java ===== >> Brian Goetz Speaks to InfoQ about Proposed Hyphenated Keywords in Java [infoq.com] As Java continues to evolve, we may soon see hyphenated keywords, like the recently proposed (but later dropped) break-with. >> 5 minutes or less: Jakarta… Continue Reading java-weekly-293
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Custom AccessDecisionVoters in Spring Security 1. Introduction Most of the time when securing a Spring Web application or a REST API, the tools provided by Spring Security are more than enough, but sometimes we are looking for a more specific behavior. In this tutorial, we’ll write a custom AccessDecisionVoter and… Continue Reading spring-security-custom-voter
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Introduction to Mustache 1. Overview In this article, we’ll focus on Mustache templates and use one of its Java APIs for producing dynamic HTML content. Mustache is a logicless template engine for creating dynamic content like HTML, configuration files among other things. 2. Introduction Simply put, the engine is classified… Continue Reading mustache
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Spring JDBC 1. Overview In this article, we’ll go through practical use cases of the Spring JDBC module. All the classes in Spring JDBC are divided into four separate packages: core – the core functionality of JDBC. Some of the important classes under this package include JdbcTemplate, SimpleJdbcInsert, SimpleJdbcCall and… Continue Reading spring-jdbc-jdbctemplate
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