Literals

Description

A literal is a notation for representing a fixed value in source code. Almost all programming languages have notations for atomic values such as integers, floating-point numbers, and strings, booleans and characters.

Literals are often used to initialize variables, for example, in the following, '1' is an IntegerLiteral which is assigned to a new created variable 'a' of data type Integer. And the three letter string in "cat" is a StringLiteral, which is assigned to a new created variable 's' of data type String.

Integer a = 1;
String s = "cat";

List of Literals

The following table lists all available literals

Data Type	Literal	Sample
Boolean	{True|False}	Boolean flag = True;
Integer	Integer number	Integer n = 1; m = n - 1234;
Float	Floating-point number	Float n = 1.2; m = n + 12.345;
String	Quoted sequence of characters	String str = "This is a text" str = StringConcatenate(str, " definded as a literal in OTX.");
ByteField	Sequence of bytes in hex started with a &	ByteField bytes1 = &12 34 56 78 90 AB CD EF ByteField bytes2 = &1234567890ABCDE; // equals &01 23 45 67 89 0A BC DE
List	List one or more elements in braces seperated with comma	List<Integer> integerList = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; List<List<String>> stringList = { { "Text11", "Text12" }, { "Text21", "Text22", "Text23" }, { "Text31" } };
Map	List one or more key value pairs in braces seperated with comma	Map<String, Integer> myMap1 = { { "Key1", 1234 }, { "Key2", 567 }, { "Key3", 89 } }; Map<String, List<Integer>> myMap2 = { { "Key1", { 1, 2, 3, 4 } }, { "Key2", { 5, 6, 7 } }, { "Key3", { 8, 9 } } };