可能重复:
How to print 2D Array from .txt file in Java如何在java中打印2d数组中的文本文件?
8.00 28.00
18.00 28.00 8.00 23.00
12.00 20.00 15.00 30.00 12.00 32.00 12.00 20.00 18.00 31.00 29.00 25.00 6.00 28.00
7.00 28.00
6.00 24.00 14.00 30.00 11.00 23.00 12.00 20.00 31.00 24.00 11.00 20.00 17.00 23.00 14.00 32.00 15.00 23.00 8.00 20.00
17.00 31.00 7.00 20.00 12.00 23.00 15.00 20.00 12.00 20.00 21.00 20.00 27.00 27.00 18.00 20.00 25.00 27.00 46.00 13.00 26.00 10.00 47.00 22.00 44.00 14.00 34.00 4.00 34.00 4.00
44.00 7.00
39.00 5.00
20.00 0.00
43.00 11.00 43.00 25.00 34.00 2.00
25.00 10.00 50.00 9.00
25.00 9.00
39.00 2.00
34.00 7.00
44.00 15.00 36.00 3.00
30.00 5.00
49.00 21.00 42.00 7.00
35.00 1.00
30.00 2.00
31.00 13.00 53.00 12.00 30.00 4.00
26.00 4.00
50.00 55.00 57.00 51.00 62.00 52.00 56.00 52.00 59.00 40.00 61.00 68.00 66.00 49.00 57.00 49.00 62.00 58.00 47.00 58.00 53.00 30.00 60.00 54.00 55.00 48.00 56.00 65.00 67.00 56.00 55.00 43.00 52.00 49.00 67.00 62.00 68.00 61.00 65.00 58.00 46.00 53.00 46.00 49.00 47.00 30.00 64.00 22.00 64.00 54.00 63.00 64.00 63.00 56.00 64.00 44.00 63.00 40。00
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.StringTokenizer;
public class csvimport5 {
public static void main(String[] args) throws IOException {
double [][] data = new double [87][2];
File file = new File("buydata.txt");
int row = 87;
int col = 2;
BufferedReader bufRdr = new BufferedReader(new FileReader(file));
String line ;
//read each line of text file
while((line = bufRdr.readLine()) != null && row < data.length)
{
StringTokenizer st = new StringTokenizer(line," ");
while (st.hasMoreTokens())
{
//get next token and store it in the array
data[col][row] = Double.parseDouble(st.nextToken());
col++;
}
col=0;
}
row++;
for(row = 0; row<data.length; row++){
for(col = 0; col<data.length; col++){
System.out.print(" "+data[86][1]);
}
System.out.println();
}
}
}
它给像0.0 0.0 0.0 0.0 输出请帮我打印数组形式的文件
可能与以下内容有关:http://stackoverflow.com/questions/5831001/to-print-the-text-file-in-2d-matrix-of-same-dimension-given-in-file-using-java – 2011-04-29 11:48:12
可能涉及:http://stackoverflow.com/questions/5830786/i-want-to-print-text-file-into-2d-array-of-same-dimensions-given-in-text-file – 2011-04-29 11:48:32
@ Andreas_D这似乎都来自同一所学校:) – 2011-04-29 11:48:47