java实现文件或图片拷贝

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class TestMain {

 public static final String OLDPATH="C://head2.jpg";
    public static final String NEWPATH="d://111.jpg";

   
 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
  /*稍微简洁的处理方法
  try{
   //System.out.println(request.getContextPath());
   FileInputStream imageInput=new FileInputStream("C://head2.jpg");
   FileOutputStream imageOutput=new FileOutputStream("d://111.jpg");
   byte[] buf=new byte[imageInput.available()];
   imageInput.read(buf);
   imageOutput.write(buf);
   imageInput.close();
   imageOutput.close();
   System.out.println("file copy success!");
  }catch(IOException e){
   System.out.println("copy file failed!");
  }
  */
  
  TestMain testMain=new TestMain();
    
     testMain.imageCopy();

 }
 
 public void imageCopy() {

        File old = new File(TestMain.OLDPATH);
        File newImage = new File(TestMain.NEWPATH);
        //newImage.mkdirs();
        FileInputStream imageInput = null;
        FileOutputStream imageOutput = null;

        try {
            if (!old.exists()) {
                System.out.println("the file is not exists");
            } else {
             imageInput = new FileInputStream(old);
               
                if(!newImage.exists() ){
                    //newImage.mkdir();
                    newImage.createNewFile();
                   
                }
                imageOutput = new FileOutputStream(newImage+"/"+ old.getName());
               
                byte[] temp = new byte[1000];
                int size = imageInput.read(temp);
                while (size != -1) {
                 imageOutput.write(temp);
                    size = imageInput.read(temp);
                }
                System.out.println("the File Copy is success!");
            }
        } catch (FileNotFoundException fileNot) {
         System.out.println("the File Copy is Failed!");
            fileNot.printStackTrace();
        }
        catch(IOException e){
            e.printStackTrace();
            System.out.println("the File Copy is Failed!");
        }
        finally{
            try{
             imageInput.close();
             imageOutput.close();
               
            }catch(Exception ex){}
           
        }

    }
}