Term
| True/False: In a two-dimensional array, all of the rows must have the same number of elements. |
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Definition
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Term
| The term overloaded refers to |
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Definition
| two or more methods in the same class that have the same name |
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Term
| True/False: An accessor method that returns an array should return a copy of an instance variable array rather than the instance variable itself. |
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Definition
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Term
| A private instance variable |
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Definition
| can be modified by a method outside the class if it is a class type, using a mutator method (assuming one exits) |
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Term
| An _____ method is one which has no body and is meant to be overridden in every derived class. |
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Definition
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Term
| Adding the _____ modifier to a method heading prevents derived classes from overriding the method. |
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Definition
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Term
| True/False: It is possible to have two methods in the same class that have the same name, the same number and types of arguments, but different return types. |
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Definition
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Term
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Definition
| is a class which cannot be instantiated |
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Term
| What determines whether a method definition in a derived class or an ancestor class will be used? |
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Definition
| the object's place in the inheritance chain |
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Term
| What does the acronym API stand for |
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Definition
| Application Programming Interface |
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Term
| Every array object has an instance variable called _____ that tells how many elements are in the array |
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Definition
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Term
| The behavior of an object is defined by its |
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Definition
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Term
| The relationship between a class and an object is best described as |
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Definition
| objects are instances of classes |
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Term
| In a class, the modifier _____ identifies data and operations that can be used only by methods in the class. |
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Definition
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Term
| True/False: The index to use with an array can be an expression whose value is computed when the program runs. |
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Definition
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Term
| True/False: If one element from an array is passed as a parameter to a method, then the called method can modify any element in the array. |
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Definition
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Term
| In the description of a method, a ______ specifies a necessary condition that must apply in order that the operation can execute successfully |
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Definition
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Term
| True/False: Every array has a method called equals that can be used to compare it to other arrays. |
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Definition
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Term
| True/False: When implementing a class method, a programmer typically chooses to throw an exception when the method violates a postcondition. |
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Definition
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Term
| True/False: An accessor method that returns an array should return a copy of an instance variable array rather than the instance variable itself. |
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Definition
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Term
| Which Java package is automatically imported by any application? |
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Definition
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Term
| True/False: The size of an array in Java is determined when the program is compiled. |
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Definition
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Term
| True/False: You can change the size of an array by assigning a new value to the length instance variable. |
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Definition
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Term
| True/False: The first element in an array is accessed using zero as an index. |
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Definition
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Term
| True/False: Arrays in Java are objects |
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Definition
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Term
| True/False: Selection sort is not one of the easier to understand sorting algorithms, but it is one of the most efficient. |
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Definition
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Term
| Selection sort works by repeatedly |
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Definition
| finding the smallest element in the remainder of the list and moving it forward |
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Term
| Usually the _____ node is the only node in the list for which there is a named variable. |
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Definition
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Term
| An _____ is an object that allows you to step through a list and perform some action for each element of the list. |
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Definition
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Term
| To make a linked list that can contain different kinds of elements, the data instance variable should be defined as ______ |
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Definition
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Term
| Each node in a linked list has some data and a(n)______ to another node |
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Definition
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Term
| Links in a linked list are usually |
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Definition
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Term
| What happens to nodes that are deleted from a linked list? |
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Definition
| The memory they used is reclaimed for other uses automatically. |
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Term
| Where is the easiest place to add new nodes to a linked list? |
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Definition
| At the beginning of the list. |
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Term
| Extend the declaration of the Circle class so that it implements the Comparable interface. The class header is |
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Definition
| public class Circle implements Comparable |
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Term
| LinkedList alist = new LinkedList();
alist.add("red");
alist.add("tan");
What is stored in alist at index 1? |
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Definition
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Term
| LinkedList alist = new LinkedList();
alist.add("red");
alist.add("tan");
alist.add(1, "green");
alist.add(2, "blue");
What is stored in alist at index 1? |
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Definition
|
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Term
| LinkedList alist = new LinkedList();
alist.add("red");
alist.add("tan");
alist.add(1, "green");
alist.add(2, "blue");
alist.remove(alist.size()-1);
alist.remove(1);
What is stored in alist at index 1? |
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Definition
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Term
| In an inheritance hierarchy, you cannot instantiate an object when its type is: |
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Definition
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Term
| In an inheritance hierarchy, you can instantiate an object when the type is |
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Definition
| a superclass with only private instance variables |
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Term
| Which of the following is not a characteristics of static arrays: |
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Definition
| The size of the block that is allocated is fixed, but it is possible to allocate a new block of memory. |
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Term
| Which of the following is not a characteristic of a dynamic array: |
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Definition
| The memory allocated for the array is permanently bound to the array variable name. |
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Term
| Which of the following is not a basic array operation? |
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Definition
| Changing an element's class type |
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Term
| Each array stores the number of cells that are allocated to the array in a field that is part of the data structure. This is the upper bound on the number of elements that can be stored in the array and represents the capacity of the array. What is the name of this field? |
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Definition
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Term
| Which of the following is not an important characteristics of linked data structures that distinguish them from arrays? |
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Definition
| Nodes can hold any type of data. |
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