The setReadOnly() method of File class is used to make a file read only in java. It returns true is the operation is successful else return false.
Example:
package com.w3spoint; import java.io.File; public class ReadOnlyFileTest { public static void main(String args[]){ try { //File File file = new File("D:/Test files/file 3.txt"); //Convert the file read only if(file.setReadOnly()){ System.out.println("File converted to readonly successfully"); }else{ System.out.println("File not converted to readonly successfully"); } } catch (Exception e) { e.printStackTrace(); } } } |
Output:
Stored data in temporary file.
File converted to readonly successfully |
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