Answer to Question #162634 in Java | JSP | JSF for hshakx

Question

Homework;

Please create a sample program using try, catch and finally if the user will input incorrect value (user can enter number, string character, etc...) -

Answer 1

import java.util.Scanner;


public class Q162634 {


	public static void main(String[] args) {
		// Scanner object
		Scanner keyboard = new Scanner(System.in);
		try {
			// Get the first number from the user
			System.out.print("Enter the first number: ");
			double number1 = keyboard.nextDouble();
			System.out.print("Enter the second number: ");
			double number2 = keyboard.nextDouble();
			//Calculate sum
			double sum = number1 + number2;
			//Calculate product
			double product = number1 * number2;
			//Calculate difference
			double diff = number1 - number2;
			//Calculate div
			double div = number1 / number2;
			// Display result
			System.out.println(number1 + " + " + number2 + " = " + sum);
			System.out.println(number1 + " * " + number2 + " = " + product);
			System.out.println(number1 + " - " + number2 + " = " + diff);
			System.out.println(number1 + " / " + number2 + " = " + div);
		} catch (Exception e) {
			// Display the error message:
			System.out.print("Incorrect value");
		}
		// close Scanner
		keyboard.close();
	}
}