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Exam 7: Arrays

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Question 41

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If you try to access the array using a negative index value, ____.

A) a compilation error will be generate
B) a runtime error will be generated
C) the indexed location will be used.  The computer will access memory to the left of the array
D) the smallest indexed location will be accessed

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Question 42

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To declare and instantiate memory for 4 exam scores that range in value from 0 to 100, the following declaration could be made ____.

A) int examScore = new examScore[3];
B) int [ ] examScore = new examScore[4];
C) int [ ] examScore = new examScore[3];
D) int examScore[4] = new examScore[ ];

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Question 43

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If an array named num is dimensioned to hold 10 values, how would you store 50 in the 5th physical location?

You can instantiate arrays of user-defined array objects and send in arrays as arguments to methods, but you cannot return arrays from methods.

The length or size of the array is specified using a(n) ____________ value in the form of a constant literal, a variable, or an expression that produces an integer value.

When an array is sent to a method as an argument, if the method changes one or more of the elements, the changes are made to the actual data.

If an array named num is dimensioned to hold 10 values, what happens if you write num[100] = 50;?

What happens when you assign one array to another using the assignment operator?

Array identifiers are normally defined using a plural noun.

____ creates a copy of the array and returns it as an object?

Arrays can be used as fields or instance variables in classes; and, arrays of objects can be declared.

Properties are added to a class to enable client applications to access public members.

One of the special properties in the Array class is ____________. It returns an int representing the total number of elements in an array.

The ____________ loop structure can be used to iterate through an array. However, it can be used for read-only access to the elements.

When two or more arrays have a relationship such that you are able to use the same subscript or index to refer to related elements in the arrays, you have ____ arrays.