Categories

Design Pattern

Strategy Pattern | 08 Nov 2021
Singleton Pattern | 26 Aug 2021

Java

Json Utils | 11 Oct 2021
Stream | 03 Oct 2021
Map | 26 Aug 2021
Initialization block | 24 Aug 2021
String Pool | 04 May 2020

Java 8

Functional Interfaces | 30 Sep 2021

Principle

SOLID | 09 Nov 2021
KISS - YAGNI - DRY | 09 Nov 2021
12 Factor | 08 Nov 2021

SQL

SQL - Join Tables | 13 Jul 2020
SQL - Filtering The Output | 12 Jul 2020
SQL - Aggregate Functions | 12 Jul 2020
SQL - CRUD Operations | 11 Jul 2020

Spring Boot

Spring Boot - Rate Limiting with Resilience4j | 15 Dec 2021
Spring Boot - Starter | 26 Oct 2021
Spring Boot + Cassandra | 14 Oct 2021
Spring Boot - Kafka with multiple brokers | 11 Oct 2021
Spring Boot + RabbitMQ | 27 Sep 2021
Spring Boot + AOP | 23 Sep 2021
Spring Boot + Prometheus + Grafana | 17 Sep 2021
Spring Boot - gRPC API | 17 Sep 2021
Spring Boot - RESTful API | 14 Sep 2021
Spring Boot + Kafka | 08 Sep 2021
Spring Boot + Redis with Redisson client | 07 Sep 2021
Spring Boot + JPA | 30 Aug 2021
Tracing gRPC API by Jaeger | 30 Aug 2021
Spring Boot - Auto Configuration | 28 Aug 2021
Spring Boot - xDS | 26 Aug 2021

Spring Cloud

Spring Cloud + Service Discovery with Consul | 06 Dec 2021
Spring Cloud + Circuit Breaker with Resilience4j | 06 Dec 2021
Spring Cloud + Sleuth | 20 Nov 2021
Spring Cloud + Configuration with Consul | 27 Sep 2021

Theory

Database Isolation Level | 15 Aug 2022
Consistency | 01 Nov 2021
CAP | 29 Oct 2021
Synchronous vs Asynchronous | 18 Oct 2021
Pessimistic vs Optimistic Lock | 18 Oct 2021

Unit Test

JUnit5 - @InjectMock, @Mock vs @MockBean | 28 Jul 2022
JUnit5 - @SpringBootTest, @SpringExtension vs @MockitoExtension | 28 Jul 2022
Spring Boot + Mockito | 22 Oct 2021
Spring Boot + JUnit 5 | 21 Oct 2021
Spring Boot + Sonar Qube | 18 Oct 2021