In Java, we use equals() to compare String.

Date: 2019-08-11 View: 1558

In Spring Boot, we can create a @TestConfiguration class to initialize some beans for testing class only.

Date: 2019-08-11 View: 1554

In Java, you can use String.valueOf() to convert an Integer to String.

Date: 2019-08-11 View: 1601

Try to mock a repository save() method, but it is always returning null?

Date: 2019-08-11 View: 2280

In Spring, we can use Hamcrest APIs like hasItem and hasSize to test a JSON Array. Review the following example :

Date: 2019-08-11 View: 4180

Spring REST Integration Test Example

In this article, we will show you how to test the Spring Boot REST application. Normally, we use the MockMvc or TestRestTemplate for the integration test.

Date: 2019-08-11 View: 1295

Linux script to backup MySQL to Amazon S3

A shell script to backup MYSQL database and upload it to Amazon S3.

Date: 2019-08-11 View: 1978

Few examples to show you how to sort a List with stream.sorted()

Date: 2019-08-11 View: 1824

In Spring Boot, we can create a CommandLineRunner bean to run code when the application is fully started.

Date: 2019-08-11 View: 1552

Spring Boot YAML example

In this article, we will show you how to use YAML instead of properties file in Spring Boot.

Date: 2019-08-11 View: 1965

Java How to declare and initialize an Array

Few Java examples to declare, initialize and manipulate Array in Java

Date: 2019-08-11 View: 2137

The key is boxed() the IntStream into a Stream<Integer>, then only convert to an Array.

Date: 2019-08-11 View: 2125

After some SQL queries, the system is unable to get any connection from the HikariPool and prompts the following error message

Date: 2019-08-11 View: 8576

In Java 8, we can use .toArray() to convert a Stream into an Array.

Date: 2019-08-11 View: 1805

Java JDBC PreparedStatement example to create a SQL IN condition.

Date: 2019-08-11 View: 2017