Create Shreeya.java

Shreeya.java

@@ -0,0 +1,45 @@
+import java.util.Scanner;
+
+public class Calculator {
+
+    public static void main(String[] args) {
+
+        Scanner reader = new Scanner(System.in);
+        System.out.print("Enter two numbers: ");
+
+        // nextDouble() reads the next double from the keyboard
+        double first = reader.nextDouble();
+        double second = reader.nextDouble();
+
+        System.out.print("Enter an operator (+, -, *, /): ");
+        char operator = reader.next().charAt(0);
+
+        double result;
+
+        switch(operator)
+        {
+            case '+':
+                result = first + second;
+                break;
+
+            case '-':
+                result = first - second;
+                break;
+
+            case '*':
+                result = first * second;
+                break;
+
+            case '/':
+                result = first / second;
+                break;
+
+            // operator doesn't match any case constant (+, -, *, /)
+            default:
+                System.out.printf("Error! operator is not correct");
+                return;
+        }
+
+        System.out.printf("%.1f %c %.1f = %.1f", first, operator, second, result);
+    }
+}