Create Calculator.java

Author: mayank9369

Calculator.java

@@ -0,0 +1,61 @@
+// Java program for simple calculator
+import java.io.*;
+import java.lang.*;
+import java.lang.Math;
+import java.util.Scanner;
+
+// Driver class
+public class BasicCalculator {
+	// main function
+	public static void main(String[] args)
+	{
+		// Stores two numbers
+		double num1, num2;
+
+		// Take input from the user
+		Scanner sc = new Scanner(System.in);
+
+		System.out.println("Enter the numbers:");
+
+		// Take the inputs
+		num1 = sc.nextDouble();
+		num2 = sc.nextDouble();
+
+		System.out.println("Enter the operator (+,-,*,/):");
+
+		char op = sc.next().charAt(0);
+		double o = 0;
+
+		switch (op) {
+		// case to add two numbers
+		case '+':
+			o = num1 + num2;
+			break;
+
+		// case to subtract two numbers
+		case '-':
+			o = num1 - num2;
+			break;
+
+		// case to multiply two numbers
+		case '*':
+			o = num1 * num2;
+			break;
+
+		// case to divide two numbers
+		case '/':
+			o = num1 / num2;
+			break;
+
+		default:
+			System.out.println("You enter wrong input");
+		}
+
+		System.out.println("The final result:");
+		System.out.println();
+
+		// print the final result
+		System.out.println(num1 + " " + op + " " + num2
+						+ " = " + o);
+	}
+}