P.G.D.C.A. (Semester II) Examination Oct/Nov-2017
JAVA PROGRAMMING
Day Date: Tuesday, 28-11-2017 Max. Marks: 80
Time: 02.30 PM to 05.30 PM
Instructions: Q.1 and Q.7 are compulsory.
Solve any two questions from Q. No. 3 and 4.
Solve any one questions between Q.5 and Q.6.
Figures to the right indicate full marks.
Q.1 Choose the correct alternative: 08
A java is a group of similar types of classes, interface and sub-packages.
Package Program
Both a and b All of these
Array in java is index based, first element of the array is stored at index.
0 1
2 All of the above
The java command-line argument is an argument i.e passed at the time of
the java program.
Compiling Running
Both a and b None of these
An entity that has state and behavior is known as
Class Inheritance
Object None of these
Java is invoked at the time of object creation.
Constructor Class
Object None of these
is a process of hiding the implementation details and showing only
functionality.
Inheritance Polymorphism
Abstraction All of these
Java JDBC is a java to connect and execute query with the database.
GUI API
Both a and b None of these
According to sun syntax of java is based on
Basic C
All of these
Fill in the blanks. 08
If you declare any variable as it is known static variable.
The keyword in java is a reference variable which is used to refer
immediate parent class object.
The keyword is used to allocate memory at run time.
Java AWT components are
Changing the state of an object is known as
is basically a lightweight sub process.
The sun microsystem says there are of exceptions.
In Java, we use class to achieve abstraction.
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SLR-CF-11
Q.2 Explain Data types and variables in java with suitable example. 08
What is OOP? Explain features of java. 08
Q.3 Explain use of operators in java with suitable example. 08
Explain use of this keyword in java with suitable example. 08
Q.4 Write a program to display following output. 08
5 4 3 2 1
5 4 3 2
5 4 3
5 4
5
Write a program to print addition, subtraction, multiplication of two
numbers.
08
Q.5 Explain Try catch block with suitable example. 08
Explain two dimensional array with suitable example. 08
Q.6 Write a program to reserve a given number in java. 08
Write a program to print given series 1 9 08
Q.7 Write short notes.
For loop 06
Data Types 05
Thread life cycle 05