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51歳(現52)からのプログラミング 備忘 Path と File

Last updated at Posted at 2020-08-13

忘れていたので確認しました。
java7以降のファイル操作は

  1. java.nio.file.Pathsクラスのメソッドで、操作するファイルやディレクトリを指定し
  2. java.nio.file.Filesクラスのメソッドで、ファイルやディレクトリを操作する
  Path    p1 = Paths.get ("sample.dat"); // Pathsメソッド
  Boolean b  = Files.isDirectory(p1);    // Filesメソッド
  System.out.println(b);

[ Files.newBufferedReader(path) ]は、これでいいのかな?
  Path p1 = Paths.get("sample.dat");
  BufferedReader br = Files.newBufferedReader(p1);
  String l;
  while( (l=br.readLine()) != null){ System.out.println(l); }
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