OA Command Prompt C:\exercise>java Exercise12_01 4 + 5 4 + 5 = 9 c:\exercise>java Exercise12_01 4 4 - 5 = -1 C:\exercise>java Exercise12_01 4x - 5 Wrong Input: 4x c:\exercise>.

EBK JAVA PROGRAMMING
9th Edition
ISBN:9781337671385
Author:FARRELL
Publisher:FARRELL
Chapter1: Creating Java Programs
Section: Chapter Questions
Problem 19RQ
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Question

Calculator.java, is a simple command-
line calculator. Note the program terminates if any operand is nonnumeric.
Write a program with an exception handler that deals with nonnumeric operands;
then write another program without using an exception handler to achieve the
same objective. Your program should display a message that informs the user of
the wrong operand type before exiting

OA Command Prompt
C:\exercise>java Exercise12_01 4 + 5
4 + 5 = 9
c:\exercise>java Exercise12_01 4
4 - 5 = -1
C:\exercise>java Exercise12_01 4x - 5
Wrong Input: 4x
c:\exercise>.
Transcribed Image Text:OA Command Prompt C:\exercise>java Exercise12_01 4 + 5 4 + 5 = 9 c:\exercise>java Exercise12_01 4 4 - 5 = -1 C:\exercise>java Exercise12_01 4x - 5 Wrong Input: 4x c:\exercise>.
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