@@ -0,0 +1,561 @@
+package ru.sbulygin;%0A%0A/**%0A* %D0%9A%D0%BB%D0%B0%D1%81%D1%81 %D0%BA%D0%B0%D0%BB%D1%8C%D0%BA%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80.%0A* @author sbulygin.%0A* @since 13.11.2016.%0A* @version 1.0.%0A*/ %0A%0Apablic class Calculator %7B%0A%0A    private Double result;%0A%0A    pablic void add(double first, double second) %7B%0A        this.result = first + second;%0A    %7D%0A%0A    pablic void subtract(double first, double second) %7B%0A        this.result = first - second;%0A    %7D%0A%0A    pablic void multiply(double first, double second) %7B%0A         this.result = first * second;%0A    %7D%0A%0A    pablic void div(double first, double second) %7B%0A         this.result = first / second;%0A    %7D%0A %7D

add Calculator