Learn how to save and update entities to a database using Spring Data CrudRepository.
Baeldung Editor
Darragh Pigott
Here's what I've reviewed (so far):
Baeldung on Java
- All
- Persistence (4)
- DevOps (4)
- Testing (3)
- Spring Security (3)
- Spring MVC (3)
- Spring (3)
- JSON (3)
- Spring Data (2)
- Spring Boot (2)
- Jakarta EE (2)
- Core Java (2)
- Security (1)
- Logging (1)
- Java String (1)
- Java Numbers (1)
- Java Dates (1)
- Java Collections (1)
- Java (1)
- JPA (1)
- HTTP Client-Side (1)
- Guava (1)
- Architecture (1)
Convert Double to String, Removing Decimal Places
Filed under Java Numbers
Learn how to convert a Double to a String while removing the fractional digits using a number of different approaches.
Ratpack HTTP Client
Filed under HTTP Client-Side
Learn how to respond to HTTP requests asynchronously using the Ratpack HttpClient.
Guide to Jakarta EE JTA
Filed under Jakarta EE, Persistence
Learn how to execute multi-resource transactions with Jakarta EE JTA.
Add a Character to a String at a Given Position
Filed under Java String
Learn how to change a String by inserting a new character at an arbitrary position.
ClassCastException: Arrays$ArrayList cannot be cast to ArrayList
Filed under Java Collections
Learn how to avoid a ClassCastException when working with various Java List implementations.
Mock Static Method using JMockit
Filed under Testing
Learn how to mock static methods in Java using the JMockit library.
Introduction to Chaos Monkey
Filed under DevOps, Spring Boot
Learn how to introduce elements of chaos engineering to a Spring Boot application using Chaos Monkey.
Overview of JSON Pointer
Filed under JSON
Learn how to use JSON Pointer to access, read, and update JSON data.
Differences Between Final, Finally and Finalize in Java
Filed under Core Java
Learn the difference between the Final, Finally and Finalize keywords in Java
Default Password Encoder in Spring Security 5
Filed under Spring Security
Learn how to avoid the IllegalArgumentException when migrating plaintext passwords to Spring Security 5
A Guide to JavaFaker
Filed under Testing
Learn how to generate data using the JavaFaker library.
Working With Arrays in Thymeleaf
Filed under Spring MVC
Learn how to use arrays in the Thymeleaf template engine.
Guide to the Favicon in Spring Boot
Filed under Spring Boot, Spring MVC
Learn how to customize the favicon in a Spring Boot application.
Lightweight Ethereum Clients Using Web3j
Learn how to interact with the Ethereum network with the Web3j library.
Iteration in Thymeleaf
Filed under Spring MVC
Learn how to use iteration with Thymeleaf using the th:each attribute.
Introduction to Primefaces
Filed under Jakarta EE
Learn the basics of the Primefaces UI toolkit with demonstrations of some of its main features.
Introduction to CheckStyle
Filed under DevOps
Learn how to integrate and configure the Checkstyle plugin in your Java projects.
A Quick Guide to the Spring @Lazy Annotation
Filed under Spring
Learn how to lazily instantiate Spring beans using the @Lazy annotation.
Mapping LOB Data in Hibernate
Filed under Persistence
Learn how to map Large Object Data using Hibernate’s @Lob annotation.
Introduction to JSON-Java (org.json)
Filed under JSON
Learn the fundamentals of parsing and manipulating JSON data with the JSON-Java library.
Spring ResponseStatusException
Filed under Spring
Learn how to apply status codes to HTTP responses in Spring with ResponseStatusException.
Exploring jrecreate
Filed under DevOps
Learn how to create platform-specific embedded JREs with the jrecreate tool provided with EJDK
Programmatically Create, Configure and Run a Tomcat Server
Filed under DevOps
Learn how to programmatically create, configure and run a Tomcat server with Java.
Introduction to Guava Memoizer
Filed under Guava
Learn how to memoize results of method calls using Google Guava’s Memoizer.
Get Log Output in JSON
Learn how output JSON using the two most popular logging libraries, Jog4j2 and Logback.
Spring Security 5 – OAuth2 Login
Filed under Spring Security
Learn how to authenticate users with Facebook, Google or other credentials using OAuth2 in Spring Security 5.
Regex for Matching Date Pattern in Java
Filed under Java Dates
Learn how to build a RegEx pattern for matching dates from the Gregorian calendar.
Guide to CockroachDB in Java
Filed under Persistence
Learn how to configure, monitor, and interact with an instance of CockroachDB using JDBC.
Recursion in Java
Filed under Core Java
Learn the fundamental concepts of recursion in Java with examples.
Batch Processing in JDBC
Filed under Persistence
Learn how to execute SQL queries using the batching features of JDBC.
The SpringJUnitConfig and SpringJUnitWebConfig Annotations in Spring
Learn how to use the SpringJUnitConfig and SpringJUnitWebConfig composite annotations in Spring 5.
Introduction to Creational Design Patterns
Filed under Architecture
An introduction to four fundamental creational design patterns: Singleton, Factory Method, Abstract Factory, and Builder.
An Overview of Identifiers in Hibernate/JPA
Filed under JPA
Learn how to map entity identifiers with Hibernate.
Activiti with Spring Security
Filed under Spring Security
Learn how to integrate Activiti’s identity management with Spring Security.
Spring Data JPA – Adding a Method in All Repositories
Filed under Spring Data
A practical guide to adding custom methods to all repositories in Spring Data JPA.