ファイルから一括で読み込む2023-11-24Javafinal Path path = Path.of("file"); System.out.println(Files.readString(path)); https://docs.oracle.com/javase/jp/17/docs/api/java.base/java/nio/file/Path.html#of(java.lang.String,java.lang.String...)https://docs.oracle.com/javase/jp/17/docs/api/java.base/java/nio/file/Files.html#readString(java.nio.file.Path)