Xing's Blog

Lets learn how to use Spring Boot JPA to implement One to One relationship.

Lets learn how to use Spring Boot JPA to implement Many to Many relationship.

Lets learn how to use Spring Boot JPA to implement One to Many relationship.

Checked and Unchecked Exception and how to handle exceptions in Java.

List files in a directory in Java

Explain how to use the AWS Command Line Interface (CLI) to interact with AWS services.

Explain how AWS evaluates policies when a principal makes a request to access a resource.

Spring Boot Integration with JdbcClient

Spring Boot Integration with Postgres

Spring Boot Integration with MySQL

@Transactional annotation is used to define the scope of a single database transaction. If there is an exception thrown in the method, the transaction is rolled back. If the method completes successfully, the transaction is committed.

LocalStack is a cloud service emulator that runs in a single container on your laptop or in your CI environment.

HashMap class is a very common class in Java. It is used to store name-value pairs.

Rename a branch in Git locally and remotely.

Iterate elements in a HashMap using different methods in Java.