package ru.job4j;
/**
 *Class Calculate    001 1.
 *@author erokhov
 *@since 02.12.2016
**/

public class Calculate{
 public static void main(String[] args){
  System.out.println("Hello World");
}
}
package ru.job4j;

/**
 *Class Calculate    001 1.
 *@author erokhov
 *@since 02.12.2016
**/

public class Calculate {
	/**
	*Main.
	* @param args - args.
	*/
 public static void main(String[] args) {
  System.out.println("Hello World");
}
}
add main java