import java.io.*;

public class CSVFile2 {
  public static void main(String[] args) {
    FileReader fr = null;
    StringBuilder sb = new StringBuilder();
    try {
      fr = new FileReader("File2_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);

    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].replaceAll(".*,","");
    }
//    System.out.println(capaArray[0]);
//    System.out.println(capaArray[1]);

    int capaTotal = 0;
    for (int i = 0; i < capaArray.length; i++) {
      capaTotal += Integer.parseInt(capaArray[i].trim());
    }
    System.out.println("容量の合計は" + capaTotal + "です");
  }
}