java DataInputStream和DataOutputStream详解
操作基本数据类型的流
DataInputStream
DataOutputStream
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
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
// 创建数据输出流对象
FileOutputStream fos = new FileOutputStream("E:\\zikao\\file\\cs.txt");
DataOutputStream dos = new DataOutputStream(fos);
// 写数据
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();
}
private static void myReader() throws IOException {
// TODO Auto-generated method stub
// 创建数据输入流对象
FileInputStream fis = new FileInputStream("E:\\zikao\\file\\cs.txt");
DataInputStream dis = new DataInputStream(fis);
// 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 bl = 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(bl);
}
}
|
感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！