个回答

• 春城乐

  2016-12-18 09:04:39

  已采纳

  public static void main(String[] args) throws IOException {

  // TODO 自动生成的方法存根

  String file="demo/dos.txt";

  DataOutputStream dos=new DataOutputStream(new FileOutputStream(file));

  dos.writeInt(10);

  dos.writeInt(-10);

  dos.writeLong(10L);

  dos.writeDouble(10.5);

  dos.writeChar('a');

  dos.writeBoolean(true);

  //采用UTF-8编码写出

  dos.writeUTF("中国");

  //采用UTF-16be编码写出

  dos.writeChars("我爱你");

  //dos.close();

  数据流入与流出.printHex(file);

  DataInputStream dis=new DataInputStream(new FileInputStream(file));

  int i=dis.readInt();

  System.out.println(i);

  i=dis.readInt();

  System.out.println(i);

  long ii=dis.readLong();

  System.out.println(ii);

  double iii=dis.readDouble();

  System.out.println(iii);

  char iiii=dis.readChar();

  System.out.println(iiii);

  boolean iiiii=dis.readBoolean();

  System.out.println(iiiii);

  //采用UTF-8编码读出

  String iiiiii=dis.readUTF();

  System.out.println(iiiiii);

  //采用UTF-16be编码读出

  char i2;

  while((i2=dis.readChar())!=-1){

  System.out.print(i2);

  }

  }

  
  

  0

• wendy4165364

  2017-02-24 16:07:49

  String s=Character.toString(dis.readChar())+Character.toString(dis.readChar());

  System.out.println(s);

  
  

  0

• 春城乐

  2016-12-18 09:04:02

  char i2;

  while((i2=dis.readChar())!=-1){

  System.out.print(i2);

  }

  0