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

Date: 2019-08-11 View: 1339

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

Date: 2019-08-11 View: 1328

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

Date: 2019-08-11 View: 1351

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

Date: 2019-08-11 View: 1967

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: 3793

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: 1068

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: 1708

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

Date: 2019-08-11 View: 1531

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

Date: 2019-08-11 View: 1316

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: 1650

Java How to declare and initialize an Array

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

Date: 2019-08-11 View: 1804

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

Date: 2019-08-11 View: 1717

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: 7855

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

Date: 2019-08-11 View: 1511

Java JDBC PreparedStatement example to create a SQL IN condition.

Date: 2019-08-11 View: 1747