Ch8 Java

38 Questions  I  By Bing22 on December 12, 2010

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