How to connect to Oracle database from Java Program using JDBC API is common to need for many Java programmer, though there is a lot of framework available which has simplified JDBC development e.g Hibernate, Spring JdbcTempate and many more, creating Java program to connect to oracle database from plain old Java is still the easiest and quickest method for testing and debugging database connectivity. The database connection program is also a common Java programming exercise in many Java programming courses in schools, colleges, and various training institutes.