1. Write a JavaFX program that create a simple calculator for performing addition, subtraction, multiplication, and division, as shown below. Simple Calculator Fest Numter: Second Number Reut Add Subtract Multiply Divide Hints - Use may use following structure and layout Stage Sean Simple Calculator Border Pane Top First Number Second Number: Center Left Right Result (Grid Pane) Bottom Suad M (Flow Pane or HBox - The grid pane consists of three labels and three text fields, and the flow pan consists of four buttons. - The result text-field is not editable (How can you make a TextField not editable?). - How can you process the buttons' click events to perform the required basic mathematical operations? - How can you get a text from a TextField? - How can you set a text to a TextField? - How can you convert a String to a double value? How can you use Double.parseDouble() method?

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Lab 11- JavaFX Controls
Part 1:
1. Write a JavaFX program that create a simple calculator for performing addition, subtraction,
multiplication, and division, as shown below.
3 Simple Calculator
Fest Number:
Second Number:
Result:
Add
Subtract
Multiply
Divide
Hints:
- Use may use following structure and layout:
Stage
Sean
Simple Calculator
Border Pane
Top
First Number:
Second Number
Center
Left
Right
Result
(Grid Pane)
Bottom
Add
Subtract
Multiply
Divide
(Flow Pane or HBax)
- The grid pane consists of three labels and three text fields, and the flow pan consists of four buttons.
- The result text-field is not editable (How can you make a TextField not editable?).
- How can you process the buttons' click events to perform the required basic mathematical operations?
- How can you get a text from a TextField?
- How can you set a text to a TextField?
- How can you convert a String to a double value? How can you use Double.parseDouble() method?
Transcribed Image Text:Lab 11- JavaFX Controls Part 1: 1. Write a JavaFX program that create a simple calculator for performing addition, subtraction, multiplication, and division, as shown below. 3 Simple Calculator Fest Number: Second Number: Result: Add Subtract Multiply Divide Hints: - Use may use following structure and layout: Stage Sean Simple Calculator Border Pane Top First Number: Second Number Center Left Right Result (Grid Pane) Bottom Add Subtract Multiply Divide (Flow Pane or HBax) - The grid pane consists of three labels and three text fields, and the flow pan consists of four buttons. - The result text-field is not editable (How can you make a TextField not editable?). - How can you process the buttons' click events to perform the required basic mathematical operations? - How can you get a text from a TextField? - How can you set a text to a TextField? - How can you convert a String to a double value? How can you use Double.parseDouble() method?
2. (Optional) Improve the program to avoid the run-time error "ArithmeticException: / by zero".
So when a user clicks the "Divide" button, the program should run a test to check whether
the second number is zero or not. Then only if the second number is not zero, it will perform
the division operation, and otherwise it should display the message "Divisor cannot be zero".
KI Simple Calculator
First Number
20
Second Number: 0
Result
Divisor cannot be zero
Add Subtract Multiply Divide
3. (Optional) Improve the program to avoid the run-time error "NumberFormatException:
empty String". So when a user clicks any button, the program should run a test to check
whether both numbers has been entered not. Then only if both numbers has been entered,
it will perform the operation, and otherwise it should display the message "Enter a number".
ESimple Calculator
First Number
Second Number:
Result
Enter a number
Add
Subtract Multiply Divide
simple Calculator
E Simpie Calculator
First Number
20
First Number
Second Number
Second Number: 5
Result:
Enter a number
Result:
Enter a number
Add Subtract
Mutiply
Dide
Add
Subtract
Multiply
Divide
Transcribed Image Text:2. (Optional) Improve the program to avoid the run-time error "ArithmeticException: / by zero". So when a user clicks the "Divide" button, the program should run a test to check whether the second number is zero or not. Then only if the second number is not zero, it will perform the division operation, and otherwise it should display the message "Divisor cannot be zero". KI Simple Calculator First Number 20 Second Number: 0 Result Divisor cannot be zero Add Subtract Multiply Divide 3. (Optional) Improve the program to avoid the run-time error "NumberFormatException: empty String". So when a user clicks any button, the program should run a test to check whether both numbers has been entered not. Then only if both numbers has been entered, it will perform the operation, and otherwise it should display the message "Enter a number". ESimple Calculator First Number Second Number: Result Enter a number Add Subtract Multiply Divide simple Calculator E Simpie Calculator First Number 20 First Number Second Number Second Number: 5 Result: Enter a number Result: Enter a number Add Subtract Mutiply Dide Add Subtract Multiply Divide
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