CalliCoder | Programming, Web & Desktop App Development Tutorials

Java Singleton Design Pattern Example

Java • Aug 1, 2018 • 9 mins read

Deploying / Hosting Spring Boot applications on AWS using Elastic beanstalk for Free

Spring Boot • Jul 17, 2018 • 10 mins read

Spring Boot File Upload / Download with JPA, Hibernate, and MySQL database

Spring Boot • Jul 7, 2018 • 4 mins read

Spring Boot Actuator metrics monitoring with Prometheus and Grafana

Spring Boot • Jun 25, 2018 • 7 mins read

Java's SimpleDateFormat is not thread-safe, Use carefully in multi-threaded environments

Java • Jun 22, 2018 • 5 mins read

Spring Boot Actuator: Health check, Auditing, Metrics gathering and Monitoring

Spring Boot • Jun 19, 2018 • 10 mins read

Generating unique IDs in a distributed environment at high scale.

System Design • Jun 8, 2018 • 5 mins read

Java Comparable and Comparator interface examples

Java • Jun 8, 2018 • 9 mins read

Configuring Spring Boot to use Gson instead of Jackson

Spring Boot • May 29, 2018 • 3 mins read

Java Priority Queue Tutorial with Examples

Java • May 28, 2018 • 5 mins read

Configuring Spring Boot's Server, GZip compression, HTTP/2, caching and much more

Spring Boot • May 14, 2018 • 5 mins read

Spring Boot, PostgreSQL, JPA, Hibernate RESTful CRUD API Example

Spring Boot • Apr 30, 2018 • 7 mins read

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