Java 操作基本数据类型的流

package io.p5.datastream;

import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class DataStreamDemo {//操作基本数据类型的

public static void main(String[] args) throws IOException {
writeData();
readData();
}

private static void readData() throws IOException {
DataInputStream dis=new DataInputStream(new FileInputStream("data.txt"));
String str=dis.readUTF();
System.out.println(str);

}

private static void writeData() throws IOException {
DataOutputStream dos=	new DataOutputStream( new FileOutputStream("data.txt"));
dos.writeUTF("你好");//以utf-8修改版 写入

dos.close();
}

}