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For this assignment you are tasked with writing a command-line Java program that evaluates Reverse Polish notation (RPN) formulas. Here are the details: • Due date is as specified on the letter you received from the student office. ● Submission will be through the Moodle. Submit a file called Submission.java. This must be a Java program that: Correctly compiles under the UNIX command line (for optimal results, test your program or 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 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 ● • Other examples of NPN formulas are: 3 (result is 3) ● cd472$ javac Submission.java cd472$ echo 75 125 + | java Submission 200 ● 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_notatic • As with all regular assignments you may NOT use any Java standard library class or method other than for input/output.

For this assignment you are tasked with writing a command-line Java program that evaluates Reverse Polish notation (RPN) formulas. Here are the details: • Due date is as specified on the letter you received from the student office. ● Submission will be through the Moodle. Submit a file called Submission.java. This must be a Java program that: Correctly compiles under the UNIX command line (for optimal results, test your program or 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 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 ● • Other examples of NPN formulas are: 3 (result is 3) ● cd472$ javac Submission.java cd472$ echo 75 125 + | java Submission 200 ● 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_notatic • As with all regular assignments you may NOT use any Java standard library class or method other than for input/output.

Database System Concepts
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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For this assignment you are tasked with writing a command-line Java program that evaluates Reverse Polish notation (RPN) formulas. Here are the details: • Due date is as specified on the letter you received from the student office. ● Submission will be through the Moodle. Submit a file called Submission.java. 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: ● • Other examples of NPN formulas are: 3 (result is 3) ● cd472$ javac Submission.java cd472$ echo 75 125 + | java Submission 200 ● 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.
Transcribed Image Text:For this assignment you are tasked with writing a command-line Java program that evaluates Reverse Polish notation (RPN) formulas. Here are the details: • Due date is as specified on the letter you received from the student office. ● Submission will be through the Moodle. Submit a file called Submission.java. 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: ● • Other examples of NPN formulas are: 3 (result is 3) ● cd472$ javac Submission.java cd472$ echo 75 125 + | java Submission 200 ● 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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