java移动/赋值文件 copy/move file

public class FileAccess
{

public static boolean Move(File srcFile, String destPath)
{
// Destination directory
File dir = new File(destPath);

// Move file to new directory
boolean success = srcFile.renameTo(new File(dir, srcFile.getName()));

return success;
}

public static boolean Move(String srcFile, String destPath)
{
// File (or directory) to be moved
File file = new File(srcFile);

// Destination directory
File dir = new File(destPath);

// Move file to new directory
boolean success = file.renameTo(new File(dir, file.getName()));

return success;
}

public  static   void     Copy(String     oldPath,     String     newPath)
{
try     {
int     bytesum     =     0;
int     byteread     =     0;
File     oldfile     =     new     File(oldPath);
if     (oldfile.exists())     {
InputStream     inStream     =     new     FileInputStream(oldPath);
FileOutputStream     fs     =     new     FileOutputStream(newPath);
byte[]     buffer     =     new     byte[1444];
int     length;
while     (     (byteread     =     inStream.read(buffer))     !=     -1)     {
bytesum     +=     byteread;
System.out.println(bytesum);
fs.write(buffer,     0,     byteread);
}
inStream.close();
}
}
catch     (Exception     e)     {
System.out.println( "error  ");
e.printStackTrace();
}
}
public   static  void     Copy(File     oldfile,     String     newPath)
{
try     {
int     bytesum     =     0;
int     byteread     =     0;
//File     oldfile     =     new     File(oldPath);
if     (oldfile.exists())     {
InputStream     inStream     =     new     FileInputStream(oldfile);
FileOutputStream     fs     =     new     FileOutputStream(newPath);
byte[]     buffer     =     new     byte[1444];
while     (     (byteread     =     inStream.read(buffer))     !=     -1)     {
bytesum     +=     byteread;
System.out.println(bytesum);
fs.write(buffer,     0,     byteread);
}
inStream.close();
}
}
catch     (Exception     e)     {
System.out.println( "error  ");
e.printStackTrace();
}
}
}

import java.io.*;
public class FileAccess {
public  static   void     Copy(String     oldPath,     String     newPath)
{
try     {
int     bytesum     =     0;
int     byteread     =     0;
File    oldfile     =     new     File(oldPath);
if     (oldfile.exists())     {
InputStream     inStream     =     new     FileInputStream(oldPath);
FileOutputStream     fs     =     new     FileOutputStream(newPath);
byte[]     buffer     =     new     byte[1444];
int     length;
while     (     (byteread     =     inStream.read(buffer))     !=     -1)     {
bytesum     +=     byteread;
System.out.println(bytesum);
fs.write(buffer,     0,     byteread);
}
inStream.close();
}
}
catch     (Exception     e)     {
System.out.println( "error  ");
e.printStackTrace();
}
}

public static void main(String argv[]){
String oldfile = "C:\\aa.txt";
String newPath = "D:\\bb.txt";
Copy( oldfile, newPath);
}
}