using java to create a new directory and a file within it

using java to create a new directory and a file within it

i am trying to create a new directory and a file with in this
directory,can any one tell me where am i going wrong. i am using a windows
system and i want the directory to be present in the folder my .JAVA file
is present.
import java.io.*;
class PS_Task1
{
public static void main(String[] args)
{
try
{
File file = new File("Library\\test.txt");
file.mkdir();
file.createNewFile();
}
catch(Exception e)
{
System.out.println("ecception");
}
}
}