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Ch8 Java

38 Questions  I  By Bing22
ch8 java

  
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Question Excerpt

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1.  The static method ________ of class String returns a formatted String.
A.
B.
C.
D.
2.  When should a program explicitly use the this reference?
A.
B.
C.
D.
3.   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.
4.  Using public set methods provides data integrity if:
A.
B.
C.
D.
5.   Which syntax imports all static members of class Math?
A.
B.
C.
D.
6.   The import declaration import *; ________.
A.
B.
C.
D.
7.   A class within a package must be declared public if
A.
B.
C.
D.
8.  Which statement is false?
A.
B.
C.
D.
9.   Which statement is false?
A.
B.
C.
D.
10.  8.5 Q2: Constructors:
A.
B.
C.
D.
11.  Static class variables:
A.
B.
C.
D.
12.  A final field should also be declared ________ if it is initialized in its declaration.
A.
B.
C.
D.
13.   Which of the following does not contribute to improved software reusability?
A.
B.
C.
D.
14.  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.
15.  Which of the following is false?
A.
B.
C.
D.
16.   Consider the statement    package com.deitel.jhtp6.ch08;    Which of the following is true?
A.
B.
C.
D.
17.  Which of the following should usually be private?
A.
B.
C.
D.
18.  Which of the following statements is true?
A.
B.
C.
D.
19.   Java programmers do not focus on:
A.
B.
C.
D.
20.   Instance variables declared final do not or cannot:
A.
B.
C.
D.
21.  When implementing a method, use the class’s set and get methods to access the class’s ________ data.
A.
B.
C.
D.
22.  Set methods are also commonly called ________ methods and get methods are also commonly called ________ methods.
A.
B.
C.
D.
23.   A programmer-defined constructor that has no arguments is called a ________.
A.
B.
C.
D.
24.  Abstract Data Types:
A.
B.
C.
D.
25.  Which of the following is false?
A.
B.
C.
D.
26.  Which method returns an array of the enum’s constants?
A.
B.
C.
D.
27.  Which statement is false?
A.
B.
C.
D.
28.  The import declaration import java.util.*; is known as a ________.
A.
B.
C.
D.
29.   A constructor cannot:
A.
B.
C.
D.
30.   The term “information hiding” refers to:
A.
B.
C.
D.
31.  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.
32.  Having a this reference allows:
A.
B.
C.
D.
33.  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.
34.   Composition is sometimes referred to as a(n) ________.
A.
B.
C.
D.
35.   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.
36.  A package is:
A.
B.
C.
D.
37.  When no access modifier is specified for a method or variable, the method or variable:
A.
B.
C.
D.
38.  : enum types are implicitly ________ and enum constants are implicitly ________.
A.
B.
C.
D.
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