• This must be a Java program that: Correctly compiles under the UNIX command line (for optimal results, test your program on Raptor). • When run from the command line your program must read from standard input an RPN formula. • You can assume there is a space between every operator and number. Every number will be a 32 bit integer. • Your program should be able to correctly handle the operations: +, -, x. • IMPORTANT: be careful that your program recognises precisely the three characters above (plus sign, minus sign, and the lowercase letter "x", respectively). • Your program then should write to standard out a single line with the correct output in standard integer format. The following example shows correct behaviour for your program: ● cd472$ javac Submission.java cd472$ echo 75 125 + | java Submission 200 Other examples of NPN formulas are: 3 ( result is 3) • 20 x (result is 0) ● • 2 3+2 2 + x (result is 20) • 2 3 x 4 + (result is 10) • You can read more about RPN here:https://en.wikipedia.org/wiki/Reverse_Polish_notation • As with all regular assignments you may NOT use any Java standard library class or method other than for input/output.

• This must be a Java program that: Correctly compiles under the UNIX command line (for optimal results, test your program on Raptor). • When run from the command line your program must read from standard input an RPN formula. • You can assume there is a space between every operator and number. Every number will be a 32 bit integer. • Your program should be able to correctly handle the operations: +, -, x. • IMPORTANT: be careful that your program recognises precisely the three characters above (plus sign, minus sign, and the lowercase letter "x", respectively). • Your program then should write to standard out a single line with the correct output in standard integer format. The following example shows correct behaviour for your program: ● cd472$ javac Submission.java cd472$ echo 75 125 + | java Submission 200 Other examples of NPN formulas are: 3 ( result is 3) • 20 x (result is 0) ● • 2 3+2 2 + x (result is 20) • 2 3 x 4 + (result is 10) • You can read more about RPN here:https://en.wikipedia.org/wiki/Reverse_Polish_notation • As with all regular assignments you may NOT use any Java standard library class or method other than for input/output.

Name: This must be a Java program that:Correctly compiles under the UNIX co
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Description: This must be a Java program that:Correctly compiles under the UNIX command line (for optimal results, test your program onRaptor).• When run from the command line your program must read from standard input an RPNformula..• You can assume there is a

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

This must be a Java program that:
Correctly compiles under the UNIX command line (for optimal results, test your program on
Raptor).
• When run from the command line your program must read from standard input an RPN
formula.
.
• You can assume there is a space between every operator and number. Every number will be
a 32 bit integer.
●
●
Your program should be able to correctly handle the operations: +, -, X.
• IMPORTANT: be careful that your program recognises precisely the three characters
above (plus sign, minus sign, and the lowercase letter "x", respectively).
Your program then should write to standard out a single line with the correct output in
standard integer format. The following example shows correct behaviour for your program:
cd472$ javac Submission.java
cd472$ echo 75 125 + | java Submission
200
Other examples of NPN formulas are:
• 3 (result is 3)
●
20 x (result is 0)
• 2 3+2 2 + x (result is 20)
• 2 3 x 4 + (result is 10)
• You can read more about RPN here:https://en.wikipedia.org/wiki/Reverse_Polish_notation
• As with all regular assignments you may NOT use any Java standard library class or
method other than for input/output.

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