import java.io.File;
import java.io.IOException;

public class CreateTemp
{
    public static void main(String[] args)
    {

        try{
        File temp = File.createTempFile("temp-name", ".log");
           System.out.println("Temp file : " + temp.getAbsolutePath());

        }catch(IOException e){

           e.printStackTrace();

        }

    }
}