请参阅 http://docs.oracle.com/javase/tutorial /本质/ IO /移动。 html [ ^ ]。

package com.sparity;

import java.io.File;
import java.io.FileNotFoundException;

public class MovingFilesFromOneFolderToAnotherFolder {
    public static void main(String[] args) throws FileNotFoundException {
        File file=new File(File.separator+"home"+File.separator+"patnaidu"+File.separator+"Documents"+File.separator+"materials"+File.separator+"gwt"+File.separator+"Untitled Folder");
        File[] fileNames=file.listFiles();
        System.out.println(fileNames.length);
        System.out.println(file.isDirectory());
        for(int i=0;i<fileNames.length;i++){
            fileNames[i].renameTo(new File(File.separator+"home"+File.separator+"patnaidu"+File.separator+"Documents"+File.separator+"materials"+File.separator+"gwt"+File.separator+"Untitled Folder 2"+File.separator+fileNames[i].getName()));
        }
    }
}

我认为这段代码会帮助你！

I Think This Code Will Help You!