在java中删除和重命名一个文件 [英] delete and rename a file in java

问题描述

我已经在java中创建了一个文件file1，并且读取了file1，并对从file1读取的数据进行了一些更改，然后将新数据写入另一个文件file2我需要的是删除以前的文件文件1，并将文件名文件2更改为文件1...
请有人帮助我这个....

  //重命名文件
 File file = new File（oldname）; 
文件file2 =新文件（newname）; 
布尔成功= file.renameTo（file2）; 
 
 //删除文件
文件f = new File（fileToDelete）; 
布尔成功= f.delete（）; 
  

i've created a file "file1" in java and i read that "file1" and made some changes to the data read from "file1" and i wrote the new data to another file "file2"...now what i need is to delete the previous file "file1" and change the name of the file "file2" to "file1"... please somebody help me with this....

解决方案

//rename file
File file = new File("oldname");
File file2 = new File("newname");
boolean success = file.renameTo(file2);

//delete file
File f = new File("fileToDelete");
boolean success = f.delete();

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