1 import java.io.File;
2 import java.io.FileInputStream;
3 import java.io.FileNotFoundException;
4 import java.io.FileOutputStream;
5 import java.io.IOException;
6
7 public class TestIO {
8
9 public void testRead(String path){
10 FileInputStream is = null;
11 File file = new File(path);
12 try {
13 is = new FileInputStream(file);
14 byte[] byteBuffer = new byte[is.available()];
15 int read = 0;
16 while((read = is.read(byteBuffer))!= -1){
17 System.out.write(byteBuffer, 0, read);
18 }
19 } catch (FileNotFoundException e) {
20 e.printStackTrace();
21 } catch (IOException e) {
22 e.printStackTrace();
23 }finally{
24 try {
25 if(is!=null){
26 is.close();
27 }
28 } catch (IOException e) {
29 e.printStackTrace();
30 }
31 }
32 }
33
34 public void testWrite(String content, String path){
35 File file = new File(path);
36 try {
37 FileOutputStream os = new FileOutputStream(file);
38 byte[] byteBuffer = content.getBytes();
39 os.write(byteBuffer, 0, byteBuffer.length);
40 os.flush();
41 os.close();
42 } catch (FileNotFoundException e) {
43 e.printStackTrace();
44 } catch (IOException e) {
45 e.printStackTrace();
46 }
47 }
48
49 public static void main(String[] args) {
50 TestIO io = new TestIO();
51 io.testRead("src/test.txt");
52 io.testWrite("this is a test", "src/test.txt");
53 //io.testRead("src/test.txt");
54 }
55
56 }
import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;
public class TestIO {public void testRead(String path){FileInputStream is = null;File file = new File(path);try {is = new FileInputStream(file);byte[] byteBuffer = new byte[is.available()];int read = 0;while((read = is.read(byteBuffer))!= -1){System.out.write(byteBuffer, 0, read);}} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}finally{try {if(is!=null){is.close();}} catch (IOException e) {e.printStackTrace();}}}public void testWrite(String content, String path){File file = new File(path);try {FileOutputStream os = new FileOutputStream(file);byte[] byteBuffer = content.getBytes();os.write(byteBuffer, 0, byteBuffer.length);os.flush();os.close();} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}public static void main(String[] args) {TestIO io = new TestIO();io.testRead("src/test.txt");io.testWrite("this is a test", "src/test.txt");//io.testRead("src/test.txt");}}