Calculator

Calculator

Co-Authored-By: Manish Upadhyay <ermanishupadhyay@gmail.com>

Author: manishbupadhyay

src/JavaPrograms/Calculator.java

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+package JavaPrograms;
+
+import java.util.Scanner;
+
+public class Calculator {
+
+	public static void main(String[] args) {
+		// Calculator using switch case
+
+		Scanner reader = new Scanner(System.in);
+		System.out.println("Enter two numbers : ");
+
+		double first = reader.nextDouble();
+		double second = reader.nextDouble();
+
+		System.out.println("Please enter an operator: (+, - , * , / )");
+
+		char operator = reader.next().charAt(0);
+
+		double result = 0;
+
+		switch (operator) {
+		case '+':
+			result = first + second;
+			break;
+		case '-':
+			result = first - second;
+			break;
+		case '*':
+			result = first * second;
+			break;
+		case '/':
+			result = first / second;
+			break;
+
+		default:
+			System.out.println("Please pass the correct operator");
+			break;
+		}
+		System.out.println(result);
+	}
+
+}