P.G.D.C.A. (Semester II) (CBCS) Examination, 2017
JAVA PROGRAMMING
Day Date: Saturday, 06-05-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Instructions: All questions are compulsory.
Figures to the right indicate full marks.
Q.1 Choose the correct alternative: 14
Java was developed at sun Microsystems in 1991 by the team
headed by
James Gosling Linus Torvalds
Ken Thomposon Charles Babbage
Java uses both and for its program execution.
Assembler and Complier Complier and Interpreter
Complier and only complier Complier and loader
The errors in a program are mainly classified into two types,
namely
Complier time and run time
Program time and debug time
Scanning time and program time
Read time and write time
A member declared as can be accessed only within the
class.
Private Public Protected None of these
Java Exception handling mechanism mainly uses five keywords

Extend, try, catch, native, new
try, catch, finally, throw, throws
try, catch, do, while, case
finally, try, catch, public, import
package contains classes for implementing graphical
user interface.
ADT AWT ART AQT
An exception is caused by a error.
Run time Link time Debug time Always
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SLR-T 12
thread is the default thread which starts executing
immediately when we start the program.
Main Sub Many None of these
statement is used to display information on the standard
output device.
System.out.println();
System.out.Print(); Outline();
10) The default value of a boolean data type is
True False 5 9
11) Byte code is platform independent.
True False
12) Global variables are supported in java.
True False
13) JDK is a set of various tools and used to develop and execute
java Program.
True False
14) A thread in a dead state can run again on the invocation of
start() Method.
True False
Q.2 What is java? Explain its advantages. 07
What is if-else? Explain with suitable example. 07
Q.3 What is variable declaration and initialization? Explain with suitable
example.
07
What is AWT? Explain radio button and label with suitable example. 07
Q.4 Solve any two questions. 14
Explain the java virtual machine in detail.
What is mean by Thread? Explain its life cycle.
Write a program to find out given number even or odd.
Q.5 Solve any two questions. 14
Explain the object oriented concepts in detail.
What is Exception? Explain exception handling methods.
Explain different data types used in java programming.