import java.io.DataInputStream;import java.io.DataOutputStream;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException; public class IntegerDemo {  public static void main(String[] args) throws IOException {    myWrite();     myReader();  }   private static void myWrite() throws IOException {    // TODO Auto-generated method stub    // 創(chuàng)建數(shù)據(jù)輸出流對象    FileOutputStream fos = new FileOutputStream("E://zikao//file//cs.txt");    DataOutputStream dos = new DataOutputStream(fos);     // 寫數(shù)據(jù)    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);     // 釋放資源    dos.close();  }   private static void myReader() throws IOException {    // TODO Auto-generated method stub    // 創(chuàng)建數(shù)據(jù)輸入流對象    FileInputStream fis = new FileInputStream("E://zikao//file//cs.txt");    DataInputStream dis = new DataInputStream(fis);     // 讀數(shù)據(jù)    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 bl = dis.readBoolean();     // 釋放資源    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(bl);  }}