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Part 1 Understand the Problem and Class Design with UML The client needs a program to...

Part 1 Understand the Problem and Class Design with UML

  • The client needs a program to calculate the age of a tuna fish. The program must store the length of the fish in cm, and the weight of the fish in pounds. To calculate the estimated age of the fish in years multiply the length times the weight then divide by 10000. Design a class based on this word problem.
  • Testing values are 300 cm length, and 1111.12 pounds.

  • Using the word problem above, design a class with the needed fields, one default (no parameter) constructor, and needed methods. Document your design using a detailed UML Class diagram.
  • Note: The calculations used in this word problem are fictional.
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Answer #1

UML Diagram:

  • The class consists of private members for length and weight which are of double data type
  • The class has a default constructor i.e no-argument constructor that sets the length and weight to default values of 0.
  • mutator method setLength that takes as input the length of fish and sets the field length to the specified value.
  • mutator method setWeight that takes as input the weight of the fish and sets the field weight to the specified value.
  • accessor method getLength that returns the value of length of the fish
  • accessor method getWeight that returns the value of the weight of the fish
  • method getAge to calculate and return the age of the fish in years and hence returns int
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