package ru.stqa.pft.sandbox;

public class MyFirstProgram {

    public static void main(String[] args) {
        System.out.println("Hello, world!");
    }
}
@@ -109,50 +109,579 @@
     
-  System.out.println(%22Hello, world!%22);%0A    %7D
+hello(%22world%22);%0A      hello(%22user%22);%0A      hello(%22test%22);%0A%0A      double l = 5;%0A      System.out.println(%22%D0%BF%D0%BB%D0%BE%D1%89%D0%B0%D1%82%D1%8C %D0%BA%D0%B2%D0%B0%D0%B4%D1%80%D0%B0%D1%82%D0%B0 %D1%81%D0%BE %D1%81%D1%82%D0%BE%D1%80%D0%BE%D0%BD%D0%BE%D0%B9 %22 + l + %22 = %22 + area(l));%0A%0A      double a = 5;%0A      double b =6;%0A      System.out.println(%22%D0%BF%D0%BB%D0%BE%D1%89%D0%B0%D1%82%D1%8C %D0%BF%D1%80%D1%8F%D0%BC%D0%BE%D1%83%D0%B3%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%B0 %D1%81%D0%BE %D1%81%D1%82%D0%BE%D1%80%D0%BE%D0%BD%D0%B0%D0%BC%D0%B8 %22 + a + %22 %D0%B8 %22 + b + %22 = %22 + area(a, b));%0A    %7D%0A%0A    public static void hello(String somebody)%7B%0A        System.out.println(%22Hello, %22 + somebody + %22!%22);%0A    %7D%0A%0A    public static double area(double len) %7B%0A      return len * len;%0A    %7D%0A%0A    public static double area(double a, double b) %7B%0A      return a * b;%0A    %7D%0A
 %0A%7D

Add some functions