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Ch8 Java

38 Questions  I  By Bing22
ch8 java

  
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Question Excerpt

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