Final

Once an array has been declared and created, its size can be changed by using an add method.

True

False

The UML diagram below depicts the inheritance relationship among the classes StinkBug, SmallBug, and SlimyBug, each of type Bug. If the four classes were written in Java containing only the fields and methods shown, then there would be no syntax error.

True

False

If the method printContents has the following header: public void printContents (int[] anArray) then the below code is syntactically correct:

True

False

Protected members of a subclass can be accesses directly by a superclass of the subclass.

True

False

If the class Fruit extends the class Apple, then the following java code is syntactically correct:

True

False

Which of the following two lines of code would instantiate two Flower objects, such that daisy is a reference variable to an object that is an exact copy of tulip?

Flower tulip = new Flower(2); Flower daisy = Flower(new Flower());

Flower tulip = new Flower(12); Flower daisy = Flower(tulip);

Flower tulip = new Flower(10); Flower daisy = Flower(daisy);

Flower tulip = new Flower(2); Flower daisy = tulip;

Flower tulip = new Flower(14); Flower daisy = new Flower(tulip);

For the below Java code, list line numbers that contains a syntax error. Give a brief (one line) description of what the error is. List numbers in incrementing order.

Can a method in a superclass be overloaded and overridden in a subclass? Be sure to explain why or why not with an example?

If a method is declared as static in a class X, then can it be overridden in class Y, if Y is a subclass of X? Explain why.

When an object of type PrivateJet is created, its getWingspan method can access the wingspan field in the Airplane class.

True

False

The constructor of the PrivateJet class must call explicitly the constructor of the Airplane class.

True

False

Is the following a syntactically correct declaration of an array? char[] iAmTiredOfArrays = new String[35];

True

False

Is the following a syntactically correct declaration of an array? Double numEntries = 6; double[] someArrayOfDoubles = new double[numEntries];

True

False

Is the following a syntactically correct declaration of an array? String[] someArrayOfStrings = new String[34];

True

False

Is the following a syntactically correct declaration of an array? double[] numArray = { 1, 2, 3, 6, 92.3, 42.5 };

True

False

Is the following a syntactically correct declaration of an array? String[] oneMoreArray = new String["a"];

True

False

Is the following a syntactically correct declaration of an array? char[][] someArray = new char[6][35];

True

False

Final

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