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Summer
2015
PROGRAM-
MCA
SEMESTER-4
SUBJECT
CODE & NAME-mca4030 - OBJECT ORIENTED PROGRAMMING
CREDIT-4
BK
ID-B1477
MAX.
MARKS-60
Q1.
Describe the following:
a)
Multi-threading.
b)
Significance of Java Bytecode
Answer.
Multi-threading
Multithreading is the ability of an application
to perform multiple tasks at the same time. We can create multithreading
programs using Java. The core of Java is also multithreaded.
Significance of Java
Bytecode
A programming language
has to be portable and also provide enough ground for security. The key factor
that allows Java to solve both the security and the portability problems is
that the output of a Java compiler is not executable code. Rather, it is
Q2.
Differentiate Break and Continue statements in Java with example program.(5+5)
Answer.
Break and Continue statements in Java
Break
statements
The break statement
is used inside the switch to terminate a statement sequence. When a break
statement is encountered, execution branches to the first line of code that
follows the entire switch statement. This has the effect of
"jumping out" of the
Q3.
Differentiate between packages and Interfaces.(5+5)
Answer.
Packages and Interfaces
Packages
Java provides a
mechanism for partitioning the class name space into more manageable chunks. This
mechanism is the package. The package is both a naming and a visibility control
mechanism. You can define classes inside a package that are not accessible by
code outside that package. You can also define class members that are only
exposed to other members of
Q4.
What are Applets? What are the restrictions of Applets? Describe about applet
class.(2+3+5)
Answer.
Applets
An applet is a Java
program that can be embedded in a web page. Java applications are run by using
a Java interpreter. Applets are run on any browser that supports Java. Applets
can also be tested using the appletviewer tool included in the
Q5.
Compare JDBC and ODBC (5*2)
Answer.
JDBC and ODBC
Java Data Base
Connectivity (JDBC)
The JDBC API (Java
Data Base Connectivity Application Program Interface) can access any kind
of tabular data, especially data stored in a Relational Database. It
works on top of ODBC (Open Data Base Connectivity) which was the driver
for database connectivity since age old days but since ODBC was
implemented in C so people from the VB background had
Q6.
Describe about Java Beans and BeanBox. (5+5)
Answer.
Java Beans and BeanBox
Java Beans
JavaBeans is the
software component architecture for Java. It allows constructing applications
efficiently by configuring and connecting components called Beans. The Beans
need to be written and tested with a rich set of mechanisms for
Get fully solved assignment. Buy online from website
online store
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plz drop a mail with your sub code
we will revert you within 2-3 hour or immediate
Charges rs 125/subject and rs 500/semester only.
if urgent then call us on 08791490301, 08273413412
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