과제 코드
<![CDATA[
package org.javaro.lecture;
import java.io.*;
public class Ex11_4 {
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("조병수-20191120-스트림과제");
float[][] indat = new float[10][3];
try {
File csv = new File("F://Users/whqud/Desktop/자바실습/20191120.csv");
BufferedReader br = new BufferedReader(new FileReader(csv));
FileWriter fin = new FileWriter("F://Users/whqud/Desktop/자바실습/2.csv");
String line = "";
int row = 0,i;
while((line= br.readLine())!= null) {
String[] token = line.split(",",-1);
for(i=0; i<3; i++) indat[row][i] = Float.parseFloat(token[i]);
for(i=0; i<3; i++) {
if(i==2)
{
System.out.print(indat[row][i]);
fin.write(indat[row][i]+"");
}
else {
System.out.print(indat[row][i]+",");
fin.write(indat[row][i]+",");
}
}
System.out.println("");
fin.write("\n");
row++;
}
br.close();
fin.close();
System.out.println("파일작성 완료");
}
catch(FileNotFoundException e){
e.printStackTrace();
}
catch(IOException e) {
e.printStackTrace();
}
}
}
]]>
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