InnocentDaksh63_calculator.java

InnocentDaksh63

@@ -0,0 +1,54 @@
+import java.util.Scanner;
+
+public class JavaExample {
+
+    public static void main(String[] args) {
+
+    	double num1, num2;
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Enter first number:");
+
+        /* We are using data type double so that user
+         * can enter integer as well as floating point
+         * value
+         */
+        num1 = scanner.nextDouble();
+        System.out.print("Enter second number:");
+        num2 = scanner.nextDouble();
+
+        System.out.print("Enter an operator (+, -, *, /): ");
+        char operator = scanner.next().charAt(0);
+
+        scanner.close();
+        double output;
+
+        switch(operator)
+        {
+            case '+':
+            	output = num1 + num2;
+                break;
+
+            case '-':
+            	output = num1 - num2;
+                break;
+
+            case '*':
+            	output = num1 * num2;
+                break;
+
+            case '/':
+            	output = num1 / num2;
+                break;
+
+            /* If user enters any other operator or char apart from
+             * +, -, * and /, then display an error message to user
+             * 
+             */
+            default:
+                System.out.printf("You have entered wrong operator");
+                return;
+        }
+
+        System.out.println(num1+" "+operator+" "+num2+": "+output);
+    }
+    }