Chapter 2: Java, JavaScript, Python

Question 1

What was the first application for Java?

Answer 1

Embedded consumer electronic devices

Question 2

What characteristic of Java is most evident in JavaScript?

Answer 2

Use of similar syntax

Question 3

How does the typing system of PHP and JavaScript differ from that of Java?

Answer 3

PHP and JavaScript are dynamically typed, while Java is strongly typed

Question 4

What array structure is included in C# but not in C, C++, or Java?

Answer 4

Rectangular arrays

Question 5

What two languages was the original version of Perl meant to replace?

Answer 5

sh (shell) and awk

Question 6

For what application area is JavaScript most widely used?

Answer 6

Web programming for creating dynamic HTML documents

Question 7

What is the relationship between JavaScript and PHP, in terms of their use?

Answer 7

JavaScript runs client-side in the browser; PHP runs server-side on the Web server

Question 8

PHP’s primary data structure is a combination of what two data structures from other languages?

Answer 8

JavaScript arrays and Perl hashes

Question 9

What data structure does Python use in place of arrays?

Answer 9

Lists

Question 10

What characteristic does Ruby share with Smalltalk?

Answer 10

Pure object-oriented language

Question 11

What characteristic of Ruby’s arithmetic operators makes them unique among other languages?

Answer 11

They are method calls and can be redefined by the user

Question 12

What data structures are built into Lua?

Answer 12

Tables

Question 13

Is Lua normally compiled, purely interpreted, or impurely interpreted?

Answer 13

Impurely interpreted

Question 14

What feature of Delphi’s classes is included in C#?

Answer 14

Properties

Question 15

What deficiency of C’s switch statement is addressed by C#?

Answer 15

Elimination of implicit fall-through between cases

Question 16

What is the primary platform on which C# is used?

Answer 16

The .NET Framework

Question 17

What are the inputs to an XSLT processor?

Answer 17

An XML data document and an XSLT document

Question 18

What is the output of an XSLT processor?

Answer 18

Another XML document, often HTML

Question 19

What element of the JSTL is related to a subprogram?

Answer 19

The if element

Question 20

To what is a JSP document converted by a JSP processor?

Answer 20

A servlet

Question 21

Where are servlets executed?

Answer 21

On a Web server