Java之DataInputStream和DataOutputStream-用流操作基本数据类型

package FileDemo;

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

public class DataStream {

/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {

DataOutputStream dos = new DataOutputStream(new FileOutputStream(
"data.txt"));
dos.writeInt(2050);
dos.close();
DataInputStream dis = new DataInputStream(new FileInputStream(
"data.txt"));
int num = dis.readInt();
System.out.println("num=" + num);
dis.close();
}

}