Add finalexam

finalexam/1/SolveSimpleExpressions.java

@@ -0,0 +1,28 @@
+import java.util.Scanner;
+
+public class SolveSimpleExpressions {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        String s = sc.nextLine();
+        String[] arr = s.split("[\\(\\),]");
+        double ans = 0;
+        switch (arr[0]) {
+            case "add":
+                ans = Double.parseDouble(arr[1]) + Double.parseDouble(arr[2]);
+                break;
+            case "sub":
+                ans = Double.parseDouble(arr[1]) - Double.parseDouble(arr[2]);
+                break;
+            case "max":
+                ans = Math.max(Double.parseDouble(arr[1]), Double.parseDouble(arr[2]));
+                break;
+            case "min":
+                ans = Math.min(Double.parseDouble(arr[1]), Double.parseDouble(arr[2]));
+                break;
+            case "doubleMe":
+                ans = Double.parseDouble(arr[1]) * 2;
+                break;
+        }
+        System.out.println(s + "=" + Double.toString(ans));
+    }
+}