Pairs Assignment

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Lab_Pairs.docx

AP Computer Science Principles

Name:

_____________________

Lab: Pairs

Period:

_____________________

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Assignment

Write a program Pairs that prompts the user to enter two numbers (double) and then prints the addition, subtraction, multiplication, and division of the two numbers.

Pseudocode

1. Import Scanner

2. Construct a Scanner object

3. Print a message that asks the user for the first number.

4. Save the first number in a variable.

5. Print a message that asks the user for the second number.

6. Save the second number in a variable.

7. Use a combination of String literals and double variables to display the addition of the two numbers in an SOP (System.out.println()).

8. Use a combination of String literals and double variables to display the subtraction of the two numbers in an SOP (System.out.println()).

9. Use a combination of String literals and double variables to display the multiplication of the two numbers in an SOP (System.out.println()).

10. Use a combination of String literals and double variables to display the division of the two numbers in an SOP (System.out.println()).

Sample Output

----jGRASP exec: java Pairs

Please enter the first number:

7

Please enter the second number:

13

7.0 + 13.0 = 20.0

7.0 - 13.0 = -6.0

7.0 * 13.0 = 91.0

7.0 / 13.0 = 0.5384615384615384

----jGRASP: operation complete.

Submission

Be sure to submit a screenshot showing your program’s output in addition to your source code (Pairs.java). When taking your screenshot, use the numbers featured in the Sample Output.

Lab: Pairs

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