If a program uses an array of Student objects, with the array variable named students, which expression will access the second object in that array?
A) students[0] B) students{1} C) students[1] D) students[2]
C
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A reason for passing a pointer to a function is
A) to avoid the overhead of copying large data structures. B) to allow the called function to modify a variable accessible to the calling function. C) to allow easy access to data in the function that is being called. D) A and B are both true. E) None of the above
Answer the following statements true (T) or false (F)
1) A main method can only access static or local variables. 2) In a class that has variables called height and width, methods called getHeight() and getWidth() are examples of accessor methods. 3) Every class has a constructor, whether defined by the programmer or not. 4) Variables that are declared as static are shared among all instances of a class. 5) Aggregation is sometimes described as a has-a relationship.
Which of the following statements are correct?
a. new java.math.BigInteger("343"); b. new java.math.BigDecimal("343.445"); c. new java.math.BigInteger(343); d. new java.math.BigDecimal(343.445);
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Answer the following statement true (T) or false (F)