package java7;
import com.sun.org.apache.bcel.internal.generic.NEW;
import org.junit.Test;
import java.io.*;
/**
* @author 冀帅
* @date 2020/8/19-11:40
*/
public class InOutTest {
@Test
public void test(){
//1
FileInputStream in = null;
FileOutputStream out = null;
try {
File file = new File("IMG_20200817_113832.jpg");
File file1 = new File("Isa.jpg");
//2
in = new FileInputStream(file);
out = new FileOutputStream(file1);
//3
byte[] Byte = new byte[1024];
int len;
while ((len = in.read(Byte))!=-1){
out.write(Byte,0,len);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
//4
try {
if (in!=null)
in.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}