数据流
PPG007 ... 2021-12-27 Less than 1 minute
# 数据流
DataOutputStream dataOutputStream = new DataOutputStream(new FileOutputStream(PATH_PREFIX + "3.txt"));
dataOutputStream.writeUTF("PPG");
dataOutputStream.flush();
dataOutputStream.writeBoolean(true);
dataOutputStream.flush();
dataOutputStream.writeDouble(1.1);
dataOutputStream.flush();
dataOutputStream.close();
DataInputStream dataInputStream = new DataInputStream(new FileInputStream(PATH_PREFIX + "3.txt"));
System.out.println(dataInputStream.readUTF());
System.out.println(dataInputStream.readBoolean());
System.out.println(dataInputStream.readDouble());
dataInputStream.close();
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