DataInputStream/DataOutputStream

package test2;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;

public class testmain {

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

String name="zhanghao";
int age=100;
boolean male=true;
double money=111111111111.1;

DataOutputStream dataOutputStream = new DataOutputStream(new FileOutputStream("D:\\1.txt"));
dataOutputStream.writeUTF(name);
dataOutputStream.writeInt(age);
dataOutputStream.writeBoolean(male);
dataOutputStream.writeDouble(money);

dataOutputStream.close();

DataInputStream dataInputStream = new DataInputStream(new FileInputStream("D:\\1.txt"));
System.out.println(dataInputStream.readUTF());
System.out.println(dataInputStream.readInt());
System.out.println(dataInputStream.readBoolean());
System.out.println(dataInputStream.readDouble());

dataInputStream.close();
}

}