package ru.job4j;

/**
 * Calculate.
 *
 * @author mklimentiev
 * @since 28.01.2017
 * @version 2
 */
public class Calculate {
     /**
      * Main.
      * @param args - args.
      */
	public static void main(String[] args) {
		System.out.println("Hello world.");
	}
}
package ru.job4j;

/**
 * Calculate.
 *
 * @author mklimentiev
 * @since 28.01.2017
 * @version 2
 */
public class Calculate {
     /**
      * Main.
      * @param args - args.
      */
	public static void main(String[] args) {
		System.out.println("Hello World");
	}
}
change Calculate.java