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- import java.io.*;
- public class CSVFile {
- public static void main(String[] args) {
- FileReader fr = null;
- StringBuilder sb = new StringBuilder();
- try {
- fr = new FileReader("File_5ch.csv");
- int charaInt = fr.read();
- while(charaInt != -1) {
- char chara = (char) charaInt;
- sb.append(chara);
- charaInt = fr.read();
- }
- } catch(IOException ex) {
- System.out.println("ファイル読み込みエラーです");
- } finally {
- try {
- fr.close();
- } catch(IOException ex2) {
- System.out.println("ファイルクローズエラーです");
- }
- }
- String files = sb.toString();
- System.out.println(files);
- // data_001.jpg,150
- // data_002.jpg,899
- // ???.matches("[,]");
- // ???.matches("[\n]");
- String[] filesArray = files.split("[\n]");
- // for (int i = 0; i < filesArray.length; i++) {
- // System.out.println(filesArray[i]);
- // }
- String[] capaArray = new String[filesArray.length];
- for (int i = 0; i < filesArray.length; i++) {
- capaArray[i] = filesArray[i].substring(13, 16);
- }
- for (int i = 0; i < capaArray.length; i++ ) {
- System.out.println(capaArray[i]);
- }
- int capaTotal = 0;
- for (int i = 0; i < capaArray.length; i++) {
- capaTotal += Integer.parseInt(capaArray[i]);
- }
- System.out.println("合計は" + capaTotal + "です");
- }
- }
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