Ch8 Java

38 Questions  I  By Bing22
Java Quizzes & Trivia

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