Classify these technologies as frontend or backend oriented: React, Kafka, MySQL, JavaScript, gRPC, SQL, Prometheus, Android, Swift, Redis, JDBC
React, Android, Swift and JavaScript are frontend oriented, while Kafka, MySQL, gRPC, SQL, Prometheus, Redis and JDBC are backend oriented.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Classify these technologies as frontend or backend oriented: React, Kafka, MySQL, JavaScript, gRPC, SQL, Prometheus, Android, Swift, Redis, JDBC
### Input: 
### Response: React, Android, Swift and JavaScript are frontend oriented, while Kafka, MySQL, gRPC, SQL, Prometheus, Redis and JDBC are backend oriented.