How to check a file is write-able or not in java

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How to check a file is write-able or not in java
Posted on: April 12, 2010 at 12:00 AM

This tutorial demonstrate that how to rectify a file tha have write permission or not.

Description:

This example demonstrate how to check a file have write permission or not at a specified path. The method canWrite() of the File class check for its write property of a file. As in the file path we see '\' (backslash) that is used to denote file separation but here in this example File.separator is used.

Code:


import java.io.File;

	

public class CheckFileCanWrite {

  public static void main(String[] a) {

    File findFile = new File("C:" + File.separator + "java-tutorial"

        + File.separator + "Test" + File.separator +

        "anyfile.txt");

    System.out.println(findFile.canWrite());

  }

}

Output:

The output of this example is either true or false depends on the file have write property at the specified path that is set in the program above.

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