thank you Sebastian it worked with me so good i appreciate you help. the rest of you guys , i am sorry that i am not genius as you, but i don't think there is problem to get some help with other and i guess that's the whole point of this form i know i am not professional and i didn't say that i am but i am doing my best in learning

modified on Friday, January 16, 2009 6:18 AM

I need to write an arrays by coulms i have the following array

a1={1,2,3,4,5,6}
a2={7,8,9,10,11}
.
.
.
.
an={10,11,12,13,14,15}

and i want to print it as

1 7 ... 10
2 8 ... 11
3 9 ... 12
4 10 ... 13
5 11 ... 14
6 12 ... 15

you have to loop through the array list and get each array and print it through loop two for example

private void printArryList(ArrayList<string[]>someList)
{
int counter=0;
for (int i = 0; i < someList.size(); i++) {
System.out.print("["+(++counter)+"]");
for (int j = 0; j < someList.get(i).length; j++) {
System.out.print(someList.get(i)[j]+" ");
}
System.out.println();
}
}

Hello guys i am new to java and i have some problem that going to make my head explode i am stuck on this thing for a week now i need to read data file by column not by lines for example i have the following data file

6, 148, 72, 35, 0, 336, 0627, 50, 2
8, 183, 64, 0, 0, 233, 0672, 32, 2
1, 85, 66, 29
1, 89, 66, 23, 94, 281, 0167, 21, 1
0, 137, 40, 35, 168, 431, 2288, 33, 2, 10, 9, 125
5, 116, 74, 0, 0, 256, 0201, 30, 1

i need to read it coulmn by coulmn and store it to arrays for exaample the first array would be {6,8,1,1,0,5} and so on all what i have done is read it line by line and thats not working for me this what i've done so far

public class VariableTransformation
{

private String FileName = "";
private FileReader FileReader;	
private BufferedReader buffFile;
private ArrayList<string\[\]> attrDomainList = new ArrayList<string\[\]>();	
private String\[\] item=null;


	


public static void main(String\[\] args) 
{
	VariableTransformation tds = new VariableTransformation();
	Scanner input=new Scanner(System.in);
	System.out.println("===============================================");
	System.out.print("Enter the file name>> ");
	String filename;
	filename=input.next();
	tds.fileLoad(filename);
	System.out.println("===============================================");
		
}

public void fileLoad(String fileName)
{
	String line = "";
	String\[\] attrDomain;
	FileName = fileName;
		
	
	System.out.println("> Reading File..");
	try {
		int lineCount=0;
		int size=0;
		FileReader = new FileReader(FileName);
		buffFile = new BufferedReader(FileReader);

		try {
											
			while((line = buffFile.readLine()) != null)
			{
					item = line.split(",");
					size=item.length;
					attrDomain=new String\[size\];
					for (int i = 0; i < item.length; i++) {
						attrDomain\[i\]=item\[i\];							
					}						
					attrDomainList.add(attrDomain);
					lineCount++;
			}
			
			printData(attrDomainList);
			System.out.println("> Finish File Reading.");
			System.out.println("Number of Lines>> "+lineCount);
			System.out.println("===============================================");
			
		} 
		catch (IOException e) {
			System.out.println(e.getStackTrace().toString());
			System.out.println("# Error while reading file .");
		}
		finally
		{				
			try {buffFile.close();} catch (IOException e) {e.printStackTrace();}
			try {FileR

Thankx alot !!! i thought taht there is something else:)

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