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Test your basic knowledge |
Java Programming Basics
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Tests to see whether a certain object comes from a certain class.
Servlet container
instanceof
break
assert
2. A tool for checking compliance of applications and applets to a specification.
jsp:forware Action element (with jsp:param)
transient
JavaCheck
float
3. A set of Java APIs that provide CORBA (Common Object Request Broker Architecture) interoperability and connectivity capabilities for the J2EE platform. These capabilities enable J2EE applications to invoke operations on remote network services using
JavaScript
Java Interface Definition Language (IDL)
catch
Java Compatibility Kit (JCK)
4. A distributed object model for Java program to Java program in which the methods of remote objects written in the Java programming language can be invoked from other Java virtual machines1 - possibly on different hosts.
Java Remote Method Invocation (RMI)
for
strictfp
Java Interface Definition Language (IDL)
5. A set of Java APIs that may be incorporated an optional package for any Java 2 Platform Edition. The Jini APIs enable transparent networking of devices and services and eliminates the need for system or network administration intervention by a user.
Java Runtime Environment (JRE)
Jini Technology
Servlet container
jsp:forware Action element (with jsp:param)
6. Limits the computer's ability to represent extra large or extra small numbers when the computer does intermediate calculations on float and double values.
try
Java Platform
switch
strictfp
7. Indicates that a variable's value cannot be changed - that a class's functionality cannot be extended or that a method cannot be overridden.
Update
catch
final
DOM (Document Object Model)
8. A tool for tracking and managing source file changes - written in Java.
JavaSafe
JavaSpaces
synchronized
JSP Beans
9. A definition of the interfaces that permit CORBA objects to participate in transactions.
double
boolean
volatile
OTS (Object Transaction Service)
10. This separates the content presentation (View) from the underlying business operations/content generation (Model) using infrastructure/controller Servlet (Controller) which exists between the client browser and the JSP/Servlet-generated pages. Contro
extends
MVC Architecture
return
OS principal
11. A CORBA standard for building server-side applications that are portable across heterogeneous ORBs.
JAR (Java Archive)
class
POA (Portable Object Adapter)
Java Development Kit (JDK)
12. Type of Java program (as opposed to a stand-alone program) which is embedded in a web page (requested from a server) and run on a client-side browser
while
Java Applet Definition
final
ORB (Object Request Broker)
13. Ends execution of a method and possibly returns a value to the calling code.
return
Java Applet Definition
goto
float
14. A software "execution engine" that safely and compatibly executes the byte codes in Java class files on a microprocessor (whether in a computer or in another electronic device).
extends
protected
Java virtual machine
return
15. Creates an object from an existing class.
switch
jsp:forware Action element (with jsp:param)
abstract
new
16. Sets attributes and properties specific to the current JSP page
OS principal
Page Directive element
DOM (Document Object Model)
JAR (Java Archive)
17. Indicates that a value is a character (a single letter or digit or punctuation symbol and so on) stored in 16 bits of memory.
Declarations
Java Media APIs
Java virtual machine
char
18. Tells the computer to follow one of many possible paths of execution (one of many possible cases) depending on the value of an expression.
Java Runtime Environment (JRE)
jsp:include Action element (with jsp:param)
Java Foundation Classes (JFC)
switch
19. An extension that adds graphical user interface class libraries to the Abstract Windowing Toolkit (AWT).
Servlet workings
Java Foundation Classes (JFC)
MVC Architecture
Servlet Chaining
20. A Web scripting language that is used in both browsers and Web servers. Like all scripting languages it is used primarily to tie other components together or to accept user input.
POA (Portable Object Adapter)
protected
JavaScript
double
21. Indicates that a method or constructor may pass the buck when an exception is thrown.
throws
OTS (Object Transaction Service)
return
Jini Technology
22. Two Servlet API packages: javax.servlet.* ___________
CORBA
javax.servlet.http.*
case
volatile
23. Includes a new tag library into page - allows use of tags in page
for
Tag Library Directive element
Semaphore
new
24. You can't use this word in a Java program. The word has no meaning. Because it's a keyword - you can't create a const variable.
super
do
JavaScript
const
25. Basic code block of a JSP page
Scriptlets
Servlet
synchronized
MVC Architecture
26. Tests to see whether a condition is true. If it's true the computer executes certain statements; otherwise the computer executes other statements.
Servlet
Java Applet Definition
if
Java Interface Definition Language (IDL)
27. Enables the programmer to use code that was written in another language (one of those awful languages other than Java).
super
IIOP (Internet Inter-ORB Protocol)
native
JBossn
28. The output of one servlet act as a input to another servlet.
int
Servlet Chaining
double precision
super
29. Servlet is: loaded by servlet container when 1st requested; is then forwarded the user's request; processes the user's request; returns the response back to the servlet container. Servlet container sends this response back to the user. Servlet stays
strictfp
Servlet container
Servlet
Servlet workings
30. A library than enables CORBA objects to locate and communicate with one another.
OS principal
Java Compatibility Kit (JCK)
Tag Library Directive element
ORB (Object Request Broker)
31. A protocol used for communication between CORBA object request brokers.
const
Java Development Kit (JDK)
IIOP (Internet Inter-ORB Protocol)
Java Media APIs
32. Evaluates interior code to a String and feeds it to the implicit "out" print writer (JspWriter) - done at time of JSP page request
JBossn
Expressions
transient
Servlet Aliasing
33. A self-reference
Declarations
JSP Beans
Java Naming and Directory Interface (JNDI)
this
34. Common Object Request Broker Architecture. A language independent distributed object model specified by the Object Management Group (OMG).
CORBA
throw
int
double precision
35. Indicates that a method doesn't return a value.
Java Media Framework
if
void
default
36. Forces the abrupt end of the current loop iteration and begins another iteration.
continue
POA (Portable Object Adapter)
MVC Architecture
package
37. A software development environment for writing applets and applications in the Java programming language. Technically - the JDK is the correct name for all versions of the Java platform from 1.0 to 1.1.x.
catch
goto
IIOP (Internet Inter-ORB Protocol)
Java Development Kit (JDK)
38. Includes a file in the page
double precision
this
Include Directive element
Java Media Framework
39. Introduces statements that are watched (during runtime) for things that can go wrong.
Servlet container
double precision
final
try
40. A description of the structure and properties of a class of XML files.
strictfp
DTD (Document Type Definition)
finally
double precision
41. Creates a newly defined type
MVC Architecture
Servlet workings
enum
jsp:forware Action element (with jsp:param)
42. CRUD: Create - Retrieve - ________ - Delete
finally
DTD (Document Type Definition)
Update
jsp:include Action element (with jsp:param)
43. A test suite - a set of tools and other requirements used to certify a Java platform implementation conformant both to the applicable Java platform specifications and to Java Software reference implementations.
ORB (Object Request Broker)
finally
Java Compatibility Kit (JCK)
continue
44. Keeps two threads from interfering with one another.
new
synchronized
private
Java Media Framework
45. Enables the programmer to abbreviate the names of classes defined in a package.
import
double
Servlet Aliasing
native
46. A class that wraps primitives - Integer or Boolean...
wrapper class
void
Page Directive element
Update
47. A principal native to the operating system on which the Java platform is executing.
JavaBeans
OS principal
const
byte
48. The core framework supports clocks for synchronizing between different media (e.g. audio and video output). The standard extension framework allows users to do full audio and video streaming.
JBossn
OTS (Object Transaction Service)
DOM (Document Object Model)
Java Media Framework
49. A special Java servlet-aware web server process.
JAR (Java Archive)
DOM (Document Object Model)
finally
Servlet container
50. Creates a subclass
switch
extends
class
Scriptlets