DataInputStream和DataOutputStream操作基本数据类型的流

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package datainputstream;import java.io.DataInputStream;import java.io.DataOutputStream;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;/* * 可以读写基本数据类型的数据 * 数据输入流：DataInputStream * DataInputStream(InputStream in) * 数据输出流：DataOutputStream * DataOutputStream(OutputStream out)  */public class DataInputStreamDemo {public static void main(String[] args) throws IOException {// 写// write();// 读read();}private static void read() throws IOException {// DataInputStream(InputStream in)// 创建数据输入流对象DataInputStream dis = new DataInputStream(new FileInputStream("a.txt"));// 读数据byte b = dis.readByte();short s = dis.readShort();int i = dis.readInt();long l = dis.readLong();float f = dis.readFloat();double d = dis.readDouble();char c = dis.readChar();boolean bb = dis.readBoolean();// 释放资源dis.close();System.out.println(b);System.out.println(s);System.out.println(i);System.out.println(l);System.out.println(f);System.out.println(d);System.out.println(c);System.out.println(bb);}private static void write() throws IOException {// DataOutputStream(OutputStream out)// 创建数据输出流对象DataOutputStream dos = new DataOutputStream(new FileOutputStream("a.txt"));// 写数据了dos.writeByte(10);dos.writeShort(100);dos.writeInt(1000);dos.writeLong(10000);dos.writeFloat(12.34F);dos.writeDouble(12.56);dos.writeChar('a');dos.writeBoolean(true);// 释放资源dos.close();}}

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