Primitive Types

Primitive Types

	Description	Example
Blob	Binary data stored as a single object.	Blob myBlob = Blob.valueof('idea');
Boolean	Value that can only be assigned true, false, or null	Boolean isWinner = true;
Date	Particular day	Date myDate = date.today(); Date weekStart = myDate.toStartofWeek();
Datetime	Particular day and time	Datetime myDateTime = datetime.now(); datetime newd = myDateTime.addMonths(2);
Decimal	Number that includes a decimal point. Decimal is an arbitrary precision number.	Decimal myDecimal = 12.4567; Decimal divDec = myDecimal.divide   (7, 2, System.RoundingMode.UP); system.assertEquals(divDec, 1.78);
Double	64-bit number that includes a decimal point. Minimum value -263. Maximum value of 263-1	Double d=3.14159;
ID	18-character Force.com record identifier	ID id='00300000003T2PGAA0';
Integer	32-bit number that does not include a decimal point. Minimum value -2,147,483,648 -- maximum value of 2,147,483,647	Integer i = 1;
Long	64-bit number that does not include a decimal point. Minimum value of -263 -- maximum value of 263-1.	Long l = 2147483648L;
String	Set of characters surrounded by single quotes	String s = 'repeating memes';
Time	Particular time	Time myTime = Time.newInstance(18, 30, 2, 20); Integer myMinutes = myTime.minute();