kafka-connect-jdbc-sink is a Kafka Connect sink connector for copying data from Apache Kafka into a JDBC database. The connector is supplied as source code which you can easily build into a JAR file.
JASM is an assembler/disassembler for JVM bytecode. It provides a nice syntax for writing JVM classes in a bytecode-focused assembly language, and can also disassemble any Java .class file to JASM ...