code for Java Type VS Hibernate Type

/*
Chapter 4 - Database Connecting and Schema Generation
Professional Hibernate
by Eric Pugh and Joseph D. Gradecki
Wrox Press 2004
*/


Java Class Attribute Type Hibernate Type Possible SQL Type-Vendor Specific

Integer, int, long short integer, long, short Appropriate SQL type

char character char

java.math.BigDecimal big_decimal NUMERIC, NUMBER

float, double float, double float, double

java.lang.Boolean, boolean boolean, yes_no, boolean, int
true_false

java.lang.string string varchar, varchar2

Very long strings text CLOB, TEXT

java.util.Date date, time, timestamp DATE, TIME, TIMESTAMP

java.util.Calendar calendar, calendar_date TIMESTAMP, DATE

java.util.Locale locale varchar,varchar2

java.util.TimeZone timezone varchar, varchar2

java.util Currency Currency varchar, varchar2

java.sql.Clob clob CLOB

java.sql.Blob blob BLOB

Java object serializable binary field

byte array binary binary field

java.lang.Class class varchar, varchar2