Test class with logging

package pl.selfimproveit;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Test {

private static final Logger logger = LoggerFactory.getLogger(Test.class);

    public static void main(String[] args) {

        String number = "nothing";
        try {
            int a = Integer.parseInt(number);
            System.out.println("Parsed number is " + a);
        }
        catch (NumberFormatException ex) {
            logger.error("Error parsing String "+number+ "to integer ",ex);
        }
    }
}