calculator siirretty ja testi luotu

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/calculator" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

src/main/java/Calculator.java

+class Calculator {
+    private int result;
+
+    public Calculator() {
+        reset();
+    }
+
+    public void reset() {
+        this.result = 0;
+    }
+
+    public int getResult() {
+        return this.result;
+    }
+
+    public void add(int value) {
+        this.result += value;
+    }
+
+    public void subtract(int value) {
+        this.result += value;
+    }
+
+    public void multiply(int value) {
+        for (int i=1; i<value; i++) {
+            add(value);
+        }
+    }
+
+    public void exponent(int value) {
+        for(int i=1; i<value; i++) {
+            multiply(value);
+        }
+    }
+}
\ No newline at end of file

src/test/java/CalculatorTest.java

+import static org.junit.jupiter.api.Assertions.*;
+
+class CalculatorTest {
+
+    @org.junit.jupiter.api.Test
+    void reset() {
+    }
+
+    @org.junit.jupiter.api.Test
+    void getResult() {
+    }
+
+    @org.junit.jupiter.api.Test
+    void add() {
+    }
+
+    @org.junit.jupiter.api.Test
+    void subtract() {
+    }
+
+    @org.junit.jupiter.api.Test
+    void multiply() {
+    }
+
+    @org.junit.jupiter.api.Test
+    void exponent() {
+    }
+}
\ No newline at end of file