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winter 2016 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
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,
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
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
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
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
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