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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. Indicates that a value is a character (a single letter or digit or punctuation symbol and so on) stored in 16 bits of memory.
wrapper class
char
else
DTD (Document Type Definition)
2. An extension that adds graphical user interface class libraries to the Abstract Windowing Toolkit (AWT).
Java Foundation Classes (JFC)
Java Runtime Environment (JRE)
assert
Jini Technology
3. A class that wraps primitives - Integer or Boolean...
wrapper class
Include Directive element
JavaSafe
jsp:include Action element (with jsp:param)
4. Introduces a class
JavaSafe
const
class
JSP
5. Creates a subclass
assert
extends
ORB (Object Request Broker)
case
6. A portable platform-independent reusable component model. A component that conforms to this model is called a bean.
JavaBeans
try
JavaCheck
goto
7. CRUD: Create - Retrieve - ________ - Delete
Update
Java Database Connectivity (JDBC)
Declarations
Servlet
8. Common Object Request Broker Architecture. A language independent distributed object model specified by the Object Management Group (OMG).
if
do
JSP Beans
CORBA
9. Indicates that a value is a 32-bit whole number.
int
package
OS principal
wrapper class
10. Refers to the superclass of the code in which the word super appears.
super
while
catch
Java Foundation Classes (JFC)
11. 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.
jsp:forware Action element (with jsp:param)
JavaScript
char
Expressions
12. Introduces one of several possible paths of execution in a switch statement.
implements
case
Update
this
13. 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.
const
void
continue
Declarations
14. Creates a new exception object and indicates that an exceptional situation (usually something unwanted) has occurred.
throw
JavaSafe
default
else
15. Tests the truth of a condition that the programmer believes is true.
Declarations
try
assert
JavaSafe
16. A tree of objects with interfaces for traversing the tree and writing an XML version of it as defined by the W3C specification.
goto
DOM (Document Object Model)
Java Media APIs
const
17. Indicates that a variable or method can be used only within a certain class.
private
ORB (Object Request Broker)
short
Java Naming and Directory Interface (JNDI)
18. 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
package
long
Java Interface Definition Language (IDL)
assert
19. Basic code block of a JSP page
Scriptlets
POA (Portable Object Adapter)
enum
double precision
20. 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.
throws
Java Compatibility Kit (JCK)
instanceof
POA (Portable Object Adapter)
21. A software development environment for writing applets and application in Java .
Java Interface Definition Language (IDL)
Tag Library Directive element
JDK (Java Development Kit)
long
22. An opensource Java Application Server
const
native
interface
JBossn
23. 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.
jsp:plugin (uses jsp:params and jsp:fallback)
IIOP (Internet Inter-ORB Protocol)
Java Media Framework
CORBA
24. 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).
protected
Java virtual machine
enum
JavaBeans
25. Indicates that a variable or method belongs to a class rather than to any object created from the class.
CORBA
throws
Declarations
static
26. 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.
private
jsp:forware Action element (with jsp:param)
Servlet Aliasing
Java Development Kit (JDK)
27. Enables the programmer to use code that was written in another language (one of those awful languages other than Java).
JavaCheck
Update
Java Media Framework
native
28. Imposes strict rules on the use of a variable by more than one thread at a time.
throw
Servlet workings
while
volatile
29. A set of APIs that assists with the interfacing to multiple naming and directory services.
return
Java Naming and Directory Interface (JNDI)
finally
case
30. Causes the computer to repeat some statements over and over again (for instance as long as the computer keeps getting unacceptable results).
Java Development Kit (JDK)
Update
Semaphore
do
31. Keeps two threads from interfering with one another.
Servlet workings
synchronized
for
JSP Beans
32. Tells the computer to follow one of many possible paths of execution (one of many possible cases) depending on the value of an expression.
DTD (Document Type Definition)
void
this
switch
33. Ends execution of a method and possibly returns a value to the calling code.
return
double precision
boolean
Semaphore
34. A library than enables CORBA objects to locate and communicate with one another.
Scriptlets
short
ORB (Object Request Broker)
instanceof
35. Limits the computer's ability to represent extra large or extra small numbers when the computer does intermediate calculations on float and double values.
package
OS principal
wrapper class
strictfp
36. A tool for checking compliance of applications and applets to a specification.
Java Applet Definition
Scriptlets
Servlet Aliasing
JavaCheck
37. Includes a new tag library into page - allows use of tags in page
Tag Library Directive element
assert
JAR (Java Archive)
byte
38. A lock that can be counted - i.e. how many times a resouce has been accessed and locked
private
Jini Technology
Servlet workings
Semaphore
39. 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.
Jini Technology
throws
Scriptlets
goto
40. Introduces an interface which is like a class but less specific.
interface
protected
return
Java Naming and Directory Interface (JNDI)
41. Puts the code into a package
do
float
package
Servlet
42. A platform-independent file format that aggregates many files into one. Multiple applets written in the Java programming language and their requisite components (.class files & images & sounds and other resource files) can be bundled in a JAR file an
Include Directive element
Semaphore
JAR (Java Archive)
Expressions
43. Introduces statements that are watched (during runtime) for things that can go wrong.
new
jsp:plugin (uses jsp:params and jsp:fallback)
try
JDK (Java Development Kit)
44. Forces the abrupt end of the current loop iteration and begins another iteration.
continue
catch
Update
Scriptlets
45. Tests to see whether a condition is true. If it's true the computer executes certain statements; otherwise the computer executes other statements.
if
final
const
Jini Technology
46. A Java class that can be loaded into and run dynamically in a Servlet container on a web server; interact with web clients via a request-response model based on HTTP.
native
Servlet
byte
JBossn
47. Introduces statements that are executed when the condition in an if statement isn't true.
Java Foundation Classes (JFC)
double precision
else
Java Interface Definition Language (IDL)
48. Creates a newly defined type
interface
instanceof
Java Development Kit (JDK)
enum
49. Used to terminate the execution of the current JSP page and switch control to another resource
JAR (Java Archive)
JavaSafe
catch
jsp:forware Action element (with jsp:param)
50. Indicates that a method doesn't return a value.
Java Foundation Classes (JFC)
do
case
void