Design and performance improvements with JDBC 4.0 Effectively utilize JDBC 4.0 to get desired results with less code Java Database Connectivity (JDBC), which has existed from the first public version of the core Java language, has evolved significantly over the last 10 years. In its current version, 4.0, which will be packaged with Java Standard Edition 6.0 (Java SE is Sun's new name for J2SE), it