Goodday everybody,
i want to create an array that represents data, that has to
be transferred to a pdf doc ( iTextSharp ).
The problem is, that i seem too loose my faith. Namely, ( i have
experiences in
c/c++, perl and i thouht in c#, too ), i do not succeed in creating a
multidimensiona l array. I have no experience in creating
multidimensiona l array in c#. The whole process looks so ugly to me,
that i really
think of throwing all that c# and java stuff against the wind in order
to
use good old c or c++ again.
Or, ... perhaps i'm too stupid.
So, if some programmer out there would like to draw another, deep
fallen programmer out of his depressions, what is wrong with the
following code: (???!!!)
using System;
namespace arraytest {
class Class1 {
[STAThread]
static void Main( string[] args ) {
// shouldn't the following statement create an 3-dimensional array
?
Array numbers = Array.CreateIns tance( typeof ( Int32 ), 10, 4, 2
);
// and why isn't possible simply to do :
// numbers[][][] = new int[10][4][2] ?!
try {
for( int i = 0; i < 10; i++ ) {
for ( int y = 0; y < 4; i++ ) {
for( int j = 0; j < 2; j++ ) {
// please do not answer : "why do you not do
numbers.initial ize ( )
// wordless!
numbers.SetValu e( 100, i,y,j );
}
}
}
}catch ( Exception e ) {
System.Console. WriteLine( e.ToString ( ) );
System.Console. Read( );
}
}
}
}
Sure, i could create a row - class, that would be able to hold the
data and
put those row objects into an array. But i don't want't to
overobjectize
my clients' workstations!!
Please help me out here ...!
Thanks in advance, Ole.
PS ( to all the java programmers : how do you manage array
complications like this ? I saw something similar ugly in java . )
if ( noone.HelpsMe( ) ) {
throw new Languages ( "into the sea" );
}else {
put the System.Out && and goto bed;
}
bed: 10 2343
Well, I dont know a whole lot about C# myself, but think you seem to be
using the wrong
syntax.
For a rectangualr array you would use:
int[,] matrix = new int[10,20] and access it as matrix[3,4] = 5;
For a jagged array you would use:
int[][] jarray = new int[3][]
jarray[0] = new int[10];
jarray[1] = new int[4];
jarray[2] = new int[1024];
To access this, you would use jarray[2][800] = 13;
for what it's worth, my 2 cents!
cheers
LK
"Ole" <ov*********@we b.de> wrote in message
news:c6******** *************** ***@posting.goo gle.com... Goodday everybody,
i want to create an array that represents data, that has to be transferred to a pdf doc ( iTextSharp ).
The problem is, that i seem too loose my faith. Namely, ( i have experiences in c/c++, perl and i thouht in c#, too ), i do not succeed in creating a multidimensiona l array. I have no experience in creating multidimensiona l array in c#. The whole process looks so ugly to me, that i really think of throwing all that c# and java stuff against the wind in order to use good old c or c++ again.
Or, ... perhaps i'm too stupid.
So, if some programmer out there would like to draw another, deep fallen programmer out of his depressions, what is wrong with the following code: (???!!!) using System; namespace arraytest { class Class1 { [STAThread] static void Main( string[] args ) { // shouldn't the following statement create an 3-dimensional array ? Array numbers = Array.CreateIns tance( typeof ( Int32 ), 10, 4, 2 ); // and why isn't possible simply to do : // numbers[][][] = new int[10][4][2] ?! try { for( int i = 0; i < 10; i++ ) { for ( int y = 0; y < 4; i++ ) { for( int j = 0; j < 2; j++ ) { // please do not answer : "why do you not do numbers.initial ize ( ) // wordless! numbers.SetValu e( 100, i,y,j ); } } } }catch ( Exception e ) { System.Console. WriteLine( e.ToString ( ) ); System.Console. Read( ); } } } }
Sure, i could create a row - class, that would be able to hold the data and put those row objects into an array. But i don't want't to overobjectize my clients' workstations!!
Please help me out here ...!
Thanks in advance, Ole.
PS ( to all the java programmers : how do you manage array complications like this ? I saw something similar ugly in java . )
if ( noone.HelpsMe( ) ) { throw new Languages ( "into the sea" ); }else {
put the System.Out && and goto bed; } bed:
Well, uh... your code for declaring the array isn't even close to the right
syntax for one thing.
string[,] names = new string[5,4];
works fine for me (straight out of the documentation), as does
string[,,] names = new string[5,4,8];
"Ole" <ov*********@we b.de> wrote in message
news:c6******** *************** ***@posting.goo gle.com... Goodday everybody,
// and why isn't possible simply to do : // numbers[][][] = new int[10][4][2] ?!
Ole <ov*********@we b.de> wrote: i want to create an array that represents data, that has to be transferred to a pdf doc ( iTextSharp ).
Do you really need it to be an array of arrays, or is a rectangular
array okay? If so, just use:
numbers[,,] = new int[10,4,2];
You could cast the result of Array.CreateIns tance to int[,,] if you
wanted to.
I don't know why you can't initialise arrays of arrays in the way you
suggested (as you can in Java). Perhaps it's to encourage the use of
rectangular arrays for such cases.
PS ( to all the java programmers : how do you manage array complications like this ? I saw something similar ugly in java . )
In Java you'd have been fine with:
int[][][] numbers = new int[10][4][2];
--
Jon Skeet - <sk***@pobox.co m> http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Try
int[,,] myArray = new int[10,4,2];
--
Michael Culley
"Ole" <ov*********@we b.de> wrote in message news:c6******** *************** ***@posting.goo gle.com... Goodday everybody,
i want to create an array that represents data, that has to be transferred to a pdf doc ( iTextSharp ).
The problem is, that i seem too loose my faith. Namely, ( i have experiences in c/c++, perl and i thouht in c#, too ), i do not succeed in creating a multidimensiona l array. I have no experience in creating multidimensiona l array in c#. The whole process looks so ugly to me, that i really think of throwing all that c# and java stuff against the wind in order to use good old c or c++ again.
Or, ... perhaps i'm too stupid.
So, if some programmer out there would like to draw another, deep fallen programmer out of his depressions, what is wrong with the following code: (???!!!) using System; namespace arraytest { class Class1 { [STAThread] static void Main( string[] args ) { // shouldn't the following statement create an 3-dimensional array ? Array numbers = Array.CreateIns tance( typeof ( Int32 ), 10, 4, 2 ); // and why isn't possible simply to do : // numbers[][][] = new int[10][4][2] ?! try { for( int i = 0; i < 10; i++ ) { for ( int y = 0; y < 4; i++ ) { for( int j = 0; j < 2; j++ ) { // please do not answer : "why do you not do numbers.initial ize ( ) // wordless! numbers.SetValu e( 100, i,y,j ); } } } }catch ( Exception e ) { System.Console. WriteLine( e.ToString ( ) ); System.Console. Read( ); } } } }
Sure, i could create a row - class, that would be able to hold the data and put those row objects into an array. But i don't want't to overobjectize my clients' workstations!!
Please help me out here ...!
Thanks in advance, Ole.
PS ( to all the java programmers : how do you manage array complications like this ? I saw something similar ugly in java . )
if ( noone.HelpsMe( ) ) { throw new Languages ( "into the sea" ); }else {
put the System.Out && and goto bed; } bed:
Daniel Billingsley <db**********@N O.durcon.SPAAMM .com> wrote: Well, uh... your code for declaring the array isn't even close to the right syntax for one thing.
Yes it is - but only for declaring a jagged array, not a rectangular
array. The only problem is that in C# you can't instantiate a jagged
array in the same way that you can in Java.
--
Jon Skeet - <sk***@pobox.co m> http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Jon Skeet <sk***@pobox.co m> wrote in message news:<MP******* *************** **@msnews.micro soft.com>... Ole <ov*********@we b.de> wrote: i want to create an array that represents data, that has to be transferred to a pdf doc ( iTextSharp ).
Do you really need it to be an array of arrays, or is a rectangular array okay? If so, just use:
numbers[,,] = new int[10,4,2];
You could cast the result of Array.CreateIns tance to int[,,] if you wanted to.
I don't know why you can't initialise arrays of arrays in the way you suggested (as you can in Java). Perhaps it's to encourage the use of rectangular arrays for such cases.
PS ( to all the java programmers : how do you manage array complications like this ? I saw something similar ugly in java . )
In Java you'd have been fine with: int[][][] numbers = new int[10][4][2];
So you say that in java i can say
string [ ][ ] blabla = new string [ 10 ][ 5 ];
and access it like
blabla [ x ] [ y ] = "Glubberlutsch" ;
Is something similar possible in c# ?
Why do you have to access the other dimensions like as if they
were only other levels of the first dimension !? Or am i completely wrong ?
Greetings Ole.
Ok, i (tryto) think i have put my brain on and understood:
int [,,] = new int [10][][];
for rectangular arrays
and
Array bla = Array.CreateIns tance ( typeof ( gerede ), new int []{1,2,3} );
for the others ( by the way, how are they called ? irrectangular ? )
"Michael Culley" <mc*****@NOSPAM optushome.com.a u> wrote in message news:<##******* *******@TK2MSFT NGP11.phx.gbl>. .. Try
int[,,] myArray = new int[10,4,2];
-- Michael Culley
"Ole" <ov*********@we b.de> wrote in message news:c6******** *************** ***@posting.goo gle.com... Goodday everybody,
i want to create an array that represents data, that has to be transferred to a pdf doc ( iTextSharp ).
The problem is, that i seem too loose my faith. Namely, ( i have experiences in c/c++, perl and i thouht in c#, too ), i do not succeed in creating a multidimensiona l array. I have no experience in creating multidimensiona l array in c#. The whole process looks so ugly to me, that i really think of throwing all that c# and java stuff against the wind in order to use good old c or c++ again.
Or, ... perhaps i'm too stupid.
So, if some programmer out there would like to draw another, deep fallen programmer out of his depressions, what is wrong with the following code: (???!!!) using System; namespace arraytest { class Class1 { [STAThread] static void Main( string[] args ) { // shouldn't the following statement create an 3-dimensional array ? Array numbers = Array.CreateIns tance( typeof ( Int32 ), 10, 4, 2 ); // and why isn't possible simply to do : // numbers[][][] = new int[10][4][2] ?! try { for( int i = 0; i < 10; i++ ) { for ( int y = 0; y < 4; i++ ) { for( int j = 0; j < 2; j++ ) { // please do not answer : "why do you not do numbers.initial ize ( ) // wordless! numbers.SetValu e( 100, i,y,j ); } } } }catch ( Exception e ) { System.Console. WriteLine( e.ToString ( ) ); System.Console. Read( ); } } } }
Sure, i could create a row - class, that would be able to hold the data and put those row objects into an array. But i don't want't to overobjectize my clients' workstations!!
Please help me out here ...!
Thanks in advance, Ole.
PS ( to all the java programmers : how do you manage array complications like this ? I saw something similar ugly in java . )
if ( noone.HelpsMe( ) ) { throw new Languages ( "into the sea" ); }else {
put the System.Out && and goto bed; } bed:
Ole <ov*********@we b.de> wrote: In Java you'd have been fine with: int[][][] numbers = new int[10][4][2]; So you say that in java i can say
string [ ][ ] blabla = new string [ 10 ][ 5 ];
and access it like
blabla [ x ] [ y ] = "Glubberlutsch" ;
Absolutely.
Is something similar possible in c# ?
Yes - as my message showed:
string [,] blabla = new string [10,5];
blabla [x,y] = "Glubberlutsch" ;
Note however that that's a rectangular array, as opposed to the Java
version which gives an array of arrays. You can create that as well in
C#, but it takes a little bit more work:
string[][] blabla = new string [10][];
for (int i=0; i < blabla.Length; i++)
blabla[i]=new string[5];
blabla [x][y] = "Glubberlutsch" ;
I suspect the reason that the C# syntax is longer is to encourage
people to use rectangular arrays in such situations.
Why do you have to access the other dimensions like as if they were only other levels of the first dimension !? Or am i completely wrong ?
I suggest you look into arrays in a C# tutorial - it's not easy to
cover it in detail in news posts.
--
Jon Skeet - <sk***@pobox.co m> http://www.pobox.com/~skeet
If replying to the group, please do not mail me too This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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