How to set file attributes in java

File attribute settings

package com.file;

import java.io.File;

/**
 * Created by elijahliu on 2017/2/11.
 */
public class SetFileProperty {
  public static void main(String[] args){
    File file = new File("test.file");
    if (file.exists()){
      file.setWritable(true);//可写
      file.setReadable(true);//可读
      file.setReadOnly();//只读
    }
  }
}

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