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import java.text.SimpleDateFormat;
File file = new File("a.txt");
long time = file.lastModified();
Date d = new Date(time);
Format simpleFormat = new SimpleDateFormat("E dd MMM yyyy hh:mm:ss a");
String dateString = simpleFormat.format(d);
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public class Father{
public void speak(){
System.out.println("Father");
}
}
public class Son extends Father{
public void speak(){
System.out.println("son");
}
}
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