package chapter6;

/**
 * Created by michael.song on 8/23/2016 for bigJava
 */
public class InvestmentRunner {
	public static void main(String args[]){
		final double INITIAL_BALANCE = 10000;
		final double RATE = 5;
		Investment invest = new Investment(INITIAL_BALANCE,RATE);

	}
}

package chapter6;

/**
 * Created by michael.song on 8/23/2016 for bigJava
 */
public class InvestmentRunner {
	public static void main(String args[]){
		final double INITIAL_BALANCE = 10000;
		final double RATE = 5;
		Investment invest = new Investment(INITIAL_BALANCE,RATE);
		System.out.println(invest.toString());
	}
}

create a utility module