feat: Calculator 클래스 구현

Author: jay-so

src/main/java/calculator/Calculator.java

@@ -0,0 +1,45 @@
+package calculator;
+
+import calculator.engine.Repository.Memorizer;
+import calculator.engine.io.Input;
+import calculator.engine.io.Output;
+import calculator.engine.model.InitCalculator;
+import calculator.engine.model.PostfixCalculator;
+import java.util.List;
+public class Calculator implements Runnable{
+    private final Input input;
+    private final Output output;
+    private final Memorizer repository;
+    private final InitCalculator initCalculator;
+    private final PostfixCalculator postfixCalculator;
+    public Calculator(Input input, Output output, Memorizer repository, InitCalculator initCalculator, PostfixCalculator postfixCalculator) {
+        this.input = input;
+        this.output = output;
+        this.repository = repository;
+        this.initCalculator = initCalculator;
+        this.postfixCalculator = postfixCalculator;
+    }
+    public void run() {
+        while (true) {
+            output.consoleMenu();
+            int command = input.selectConsoleNumber();
+
+            switch (command) {
+                case 1:
+                    output.MemoryCalculator(repository.getMemoroizer());
+                    break;
+                case 2:
+                    String expression = input.inputCalculator();
+                    List<String> result = InitCalculator.calculate(expression);
+                    int s = postfixCalculator.calculate(result);
+                    output.printCalculator(s);
+                    String restoreValue = expression + " = " + s;
+                    repository.storeHistory(restoreValue);
+                    break;
+                default:
+                    output.outputError();
+                    break;
+            }
+        }
+    }
+}