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//: io/FileLocking.java

package io; /* Added by Eclipse.py */

import java.nio.channels.*;

import java.util.concurrent.*;

import java.io.*;

public class FileLocking {

public static void main(String[] args) throws Exception {

FileOutputStream fos= new FileOutputStream("file.txt");

FileLock fl = fos.getChannel().tryLock();

if(fl != null) {

System.out.println("Locked File");

TimeUnit.MILLISECONDS.sleep(100);

fl.release();

System.out.println("Released Lock");

}

fos.close();

}

} /* Output:

Locked File

Released Lock

*///:~