Complex Types
Complex Type
Structure
struc
Name {string First; string Last};
Name
Jon, New; Jon.First=“Jon”; Jon.Last=“Melvin”; Name NewName;
Array
(subscripts are always surrounded with […]; subscripts go from 0, …)
int[]
Integers=new Int[32]; /* declare array Integers of 32 integers */
/*
create and initialize array of 3 string answers */
string[]
Answers=new string[]
{“Yes”,”No”,”Maybe”}
/* this
fails; only constant length arrays allowed; Answer[0]=“Yes” */
int
a=5; int[] Array=new int[a];
/* 2
dimensional arrays */
string[][]
Names=new string[2][];
Names[0]=new
string[]{"James","Joyce"};
Names[1]=new
string[3]{"E","B","White"}; /* Name[1,2]=‘White’
*/
Fields of given type are objects. Some methods are of object instance, some of
base
class.
E.g., int i=5; string s=i.ToString; int[] Test int[](1,3,2); Array.Reverse(Test)
changes order of elements to 2,3,1.
Array.Sort(Test)
changes order to 1,2,3.