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Project 5: Menu-Based Calculator
Build a Menu-Based Calculator
Put methods to work in a real app! Create a calculator that shows a menu, reads the user's choice, calls the right method, and prints the result.
YOUR TASK
Create a program that:
- Displays a menu:
1. Add2. Subtract3. Multiply4. Divide - Reads user's choice and two numbers
- Calls a separate method for each operation
- Prints
Result: X
Need a hint?
Step-by-step:
1. Create methods:
2. Print the menu with
3. Read choice with
4. Read two numbers with
5. Use
6. Print:
1. Create methods:
static double add(double a, double b)2. Print the menu with
System.out.println()3. Read choice with
sc.nextInt()4. Read two numbers with
sc.nextDouble()5. Use
switch to call the right method6. Print:
System.out.println("Result: " + result);
Example (input: 1, 3, 5):
1. Add2. Subtract
3. Multiply
4. Divide
Choose: 1
Enter first number: 3
Enter second number: 5
Result: 8.0