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Subgoals

Section 9.7 Assessment: Writing Methods

Subgoals for Writing Methods.

  1. Define method header based on problem
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  2. Define return statement at the end
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  3. Define method body/logic
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    1. Determine types of logic (expression, selection, loop, etc.)
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    2. Define internal variables
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    3. Write statements
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Exercises Exercises

    1.

    Q1: Fill in the blanks for a public method header that would work for this call:
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    int fob;
fob = obj.trip(4.1, "alphabet", 8);

    _______ _______ trip (_______ one, _______ two, _______ three)
   A       B             C            D            E
{
        /* logic */
}
    Blank A:
    Blank B:
    Blank C:
    Blank D:
    Blank E:
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    2.

    Q2: Fill in the blanks for a public method header that would work for this call:
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    obj.advance();

    _______ _______ advance () { /* logic */ }
   A       B
    Blank A:
    Blank B:
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    3.

    Q3: Fill in the blanks for a private method header that returns a String and accepts two integer parameters.
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    _______ _______ calculate (_______ one, _______ two)
   A       B                  C            D
{
   /* logic */
}
    Blank A:
    Blank B:
    Blank C:
    Blank D:
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    4.

    Q4: Fill in the blanks for a private method header that returns nothing and takes no parameters.
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    _______ _______ nada () { /* logic */ }
   A       B
    Blank A:
    Blank B:
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    5.

    Q5: Put the code in the right order to create a program that returns a double, and accepts as parameters 3 integers, and calculates the average of the inputs. There is also a main program that calls the method twice with different values.
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