Calculator

Calculator.java

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+
+import java.util.Scanner;
+
+public class Calculator {
+	public static void main(String[] args) {
+        int number1, number2;
+        int result = 0;
+        String operator;
+
+        System.out.println("Operations are: “add”, “sub”, “mul”, “div”");
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("Enter a number:");
+        number1 = scanner.nextInt();
+
+        System.out.println("Enter a number:");
+        number2 = scanner.nextInt();
+
+        System.out.println("Enter an operation:");
+        operator = scanner.next();
+
+        switch(operator) {
+            case "add": result = number1 + number2;
+                break;
+
+            case "sub": result = number1 - number2;
+                break;
+
+            case "mul": result = number1 * number2;
+                break;
+
+            case "div": result = number1 / number2;
+                break;
+
+            default: System.out.println("wrong input");
+                break;
+        }
+
+        System.out.println("Result: " + result);
+    }
+}