import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
public class FileOutputStream {
public static void main(String[] args) {
int b = 0;
FileInputStream in = null;
FileOutputStream out = null;
String separator = File.separator;
try{
in =new FileInputStream("e:"+separator+"53.java");
out = new FileOutputStream("F:/kankan/VaCache/A/B/C.java");
while((b=in.read())!=-1){
out.write(b);
}
in.close();
out.close();
}catch(FileNotFoundException e){
System.out.println("找不到文件");
System.exit(-1);
}catch(IOException e){
System.out.println("文件复制错误");
System.exit(-1);
}
System.out.println("文件复制成功");
}