For this project, you will write a Java program that demonstrates exception handling

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For this project, you will write a Java program that demonstrates exception handling. Your program will accept from the user ten values and place those numbers in an array. The numbers in the array will be added together and the result displayed to the user. The program will also perform division. The program should compare the values for elements 1 and 2 in the array and divide the larger number by the smaller number. It should compare the values for all odd/even elements and divide the larger by the smaller value. The program should use exception handling to avoid division by zero errors or out of range errors (dictated by the variable’s data type) which would cause the program to stop due to the error. The program should prompt the user for a second set of ten numbers. When the user enters 9999 the program should terminate normally. For this project, do the following:

  • Create a new project in your IDE named “ExceptionHandler.”
  • Write code to accept numbers as described above from the user. Your code should ensure that only numbers are accepted.
  • Write code to add all values together and to divide larger numbers by smaller numbers in odd/even elements. Results should be displayed. Loop to get another set of ten numbers from the user until the user enters 9999 as the first number.
  • Use exception handling to handle division by zero and out of range exceptions.
  • In the catch blocks, be sure to display the cause of the exception to the user.
  • Make sure your exception handler will handle any other errors as a default.
  • Create a UML activity diagram that illustrates how your program works. Your diagram must include all the data items in your program.
  • Use good comments to describe how the program works.
  • Make sure the program runs correctly before submission.
  • Create a zip that includes your project folder and Word document, and upload it to the course portal.

This assignment will also be assessed using additional criteria provided here.

Grading Criteria

Project Creation

  • Create a new project in your IDE named “ExceptionHandler.” According to the program criteria stated.
 20%

User Input and Calculation

  • Write code to accept 10 numbers from the user and placed in an array.
  • Your code should ensure that only numbers are accepted.
  • The numbers in the array will be added together and the result displayed to the user.
  • The program should compare the values for elements 1 and 2 in the array and divide the larger number by the smaller number.
  • It should compare the values for all odd/even elements and divide the larger by the smaller value.
  • The program should prompt the user for a second set of ten numbers. When the user enters 9999 the program should terminate normally.
 30%

Exception Handling

  • Use exception handling to handle division by zero and out of range exceptions.
  • In the catch blocks, be sure to display the cause of the exception to the user.
  • Make sure your exception handler will handle any other errors as a default.
 30%

Source Code Mechanics

  • Code is well documented with comments.
  • Code uses appropriate style and naming conventions.
  • Code is free of errors.
 20%

 

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