How Does Java Work?. Released in 1995, the philosophy behind Java is "write once, run anywhere." In other words, a program written in Java can theoretically run on any machine that supports it.

JDBC (Java Database Connectivity) is the Java API that manages connecting to a database, issuing queries and commands, and handling result sets obtained from the database.

To connect to the database, you must provide the JDBC DriverManager with the name of the database and credentials for a user with rights to access it. Declare this information as String properties at ...