Data types for elements of application data

To ensure that an XMS application can exchange messages with a IBM MQ classes for JMS application, both the applications must be able to interpret the application data in the body of a message in the same way.

For this reason, each element of application data written in the body of a message by an XMS application must have one of the data types listed in Table 1. For each data type, the table shows the compatible Java data type. XMS provides the methods to write elements of application data only with these data types.

XMS Data type	Represents	Compatible Java data type
System.Boolean	The boolean value true or false	boolean
System.Char16	Double byte character	char
System.SByte	Signed 8-bit integer	byte
System.Int16	Signed 16-bit integer	short
System.Int32	Signed 32-bit integer	int
System.Int64	Signed 64-bit integer	long
System.Float	Signed floating point number	float
System.Double	Signed double precision floating point number	double
System.String	String of characters	String

For information about the size, maximum value and minimum value of each of these data types, see XMS primitive types.

Parent topic: The body of an XMS message