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Ch8 Java

38 Questions  I  By Bing22
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1.  Using public set methods provides data integrity if:
A.
B.
C.
D.
2.  When implementing a method, use the class’s set and get methods to access the class’s ________ data.
A.
B.
C.
D.
3.  8.2 Q1: The _________ of a class are also called the public services or the public interface that the class provides to its clients.
A.
B.
C.
D.
4.  A final field should also be declared ________ if it is initialized in its declaration.
A.
B.
C.
D.
5.  Which of the following statements is true?
A.
B.
C.
D.
6.   Which syntax imports all static members of class Math?
A.
B.
C.
D.
7.  Which statement is false?
A.
B.
C.
D.
8.   The import declaration import *; ________.
A.
B.
C.
D.
9.  Which of the following is false?
A.
B.
C.
D.
10.   A class within a package must be declared public if
A.
B.
C.
D.
11.  Having a this reference allows:
A.
B.
C.
D.
12.   Which statement is false?
A.
B.
C.
D.
13.  Static class variables:
A.
B.
C.
D.
14.  When compiling a class in a package, the javac command-line option ________ causes the javac compiler to create appropriate directories based on the class’s package declaration.
A.
B.
C.
D.
15.  Which of the following should usually be private?
A.
B.
C.
D.
16.  Abstract Data Types:
A.
B.
C.
D.
17.  : enum types are implicitly ________ and enum constants are implicitly ________.
A.
B.
C.
D.
18.  Set methods are also commonly called ________ methods and get methods are also commonly called ________ methods.
A.
B.
C.
D.
19.   A programmer-defined constructor that has no arguments is called a ________.
A.
B.
C.
D.
20.  Which method returns an array of the enum’s constants?
A.
B.
C.
D.
21.  Which of the following is false?
A.
B.
C.
D.
22.  8.5 Q2: Constructors:
A.
B.
C.
D.
23.  When no access modifier is specified for a method or variable, the method or variable:
A.
B.
C.
D.
24.  When should a program explicitly use the this reference?
A.
B.
C.
D.
25.   What happens when this is used in a constructor’s body to call another constructor of the same class if that call is not the first statement in the constructor?
A.
B.
C.
D.
26.   Composition is sometimes referred to as a(n) ________.
A.
B.
C.
D.
27.  A package is:
A.
B.
C.
D.
28.  Which statement is false?
A.
B.
C.
D.
29.   Consider the statement    package com.deitel.jhtp6.ch08;    Which of the following is true?
A.
B.
C.
D.
30.   Which of the following does not contribute to improved software reusability?
A.
B.
C.
D.
31.   The term “information hiding” refers to:
A.
B.
C.
D.
32.  The static method ________ of class String returns a formatted String.
A.
B.
C.
D.
33.   Java programmers do not focus on:
A.
B.
C.
D.
34.   A constructor cannot:
A.
B.
C.
D.
35.   By default, the classpath consists only of the ________. However, the classpath can be modified by providing the ________ option to the javac compiler.
A.
B.
C.
D.
36.  The classpath consists of a list of directories or archive files, each separated by a ________ on Windows or a ________ on UNIX/Linux/Max OS X.
A.
B.
C.
D.
37.   Instance variables declared final do not or cannot:
A.
B.
C.
D.
38.  The import declaration import java.util.*; is known as a ________.
A.
B.
C.
D.
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