DataStream_操作基本类型数据的流对象
1 import java.io.DataInputStream; 2 import java.io.DataOutputStream; 3 import java.io.FileInputStream; 4 import java.io.FileOutputStream; 5 import java.io.IOException; 6 7 public class Test { 8 public static void main(String[] args) throws IOException { 9 writeData(); 10 readData(); 11 } 12 public static void readData() throws IOException { 13 14 DataInputStream dis = new DataInputStream(new FileInputStream("F:\\IO\\data.txt")); 15 16 String str = dis.readUTF(); 17 18 System.out.println(str); 19 } 20 21 public static void writeData() throws IOException { 22 23 DataOutputStream dos = new DataOutputStream(new FileOutputStream("F:\\IO\\data.txt")); 24 25 dos.writeUTF("你好"); 26 27 dos.close(); 28 } 29 }