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Ch8 Java

38 Questions  I  By Bing22
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1.  Which of the following statements is true?
A.
B.
C.
D.
2.  The import declaration import java.util.*; is known as a ________.
A.
B.
C.
D.
3.  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.
4.   Java programmers do not focus on:
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.  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.
7.   A constructor cannot:
A.
B.
C.
D.
8.  A final field should also be declared ________ if it is initialized in its declaration.
A.
B.
C.
D.
9.  Abstract Data Types:
A.
B.
C.
D.
10.  : enum types are implicitly ________ and enum constants are implicitly ________.
A.
B.
C.
D.
11.   A programmer-defined constructor that has no arguments is called a ________.
A.
B.
C.
D.
12.   The term “information hiding” refers to:
A.
B.
C.
D.
13.  Which statement is false?
A.
B.
C.
D.
14.  Having a this reference allows:
A.
B.
C.
D.
15.  Which of the following should usually be private?
A.
B.
C.
D.
16.   A class within a package must be declared public if
A.
B.
C.
D.
17.   Which syntax imports all static members of class Math?
A.
B.
C.
D.
18.  Which of the following is false?
A.
B.
C.
D.
19.   Consider the statement    package com.deitel.jhtp6.ch08;    Which of the following is true?
A.
B.
C.
D.
20.  8.5 Q2: Constructors:
A.
B.
C.
D.
21.   Which statement is false?
A.
B.
C.
D.
22.  Using public set methods provides data integrity if:
A.
B.
C.
D.
23.   Composition is sometimes referred to as a(n) ________.
A.
B.
C.
D.
24.  Which statement is false?
A.
B.
C.
D.
25.  Static class variables:
A.
B.
C.
D.
26.  The static method ________ of class String returns a formatted String.
A.
B.
C.
D.
27.   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.
28.  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.
29.   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.
30.   The import declaration import *; ________.
A.
B.
C.
D.
31.  When no access modifier is specified for a method or variable, the method or variable:
A.
B.
C.
D.
32.  A package is:
A.
B.
C.
D.
33.  Which of the following is false?
A.
B.
C.
D.
34.  When should a program explicitly use the this reference?
A.
B.
C.
D.
35.   Which of the following does not contribute to improved software reusability?
A.
B.
C.
D.
36.  Which method returns an array of the enum’s constants?
A.
B.
C.
D.
37.   Instance variables declared final do not or cannot:
A.
B.
C.
D.
38.  When implementing a method, use the class’s set and get methods to access the class’s ________ data.
A.
B.
C.
D.
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