P.G.D.C.A. (Semester II) (CBCS) Examination Mar/Apr-2018
JAVA PROGRAMMING
Time: 2½ Hours
Max. Marks: 70
Instructions: All questions are compulsory. Figures to the right indicate full marks.
Q.1
Choose the correct alternative:
07
The modifier is accessible only within package.
Default
Variable
Constant
All of these
The Protected access modifier can be applied on the data member, method
Destructor
Constructor
Function
None of these
Checked exceptions are checked at time.
Compile time
Runtime
Both a and b
None of these
Java block is used to enclose the code that might throw an exception.
Catch
Finally
Try
None of these
Java uses the concept of to make I/O operation fast.
OOP
Object
Stream
None of these
is basically a lightweight sub-process, a smallest unit of processing.
Program
Thread
Function
None of these
Java is an API to develop GUI or window-based applications in java.
AWT
ATW
Both a and b
None of these

Fill in the blank.
07
Static variables are also known variables.
This key word can be used to refer class instance variable.
The private access modifier is accessible only within
The exception handling in java is one of the powerful mechanisms to handle the errors.
There are mainly two types of exceptions: checked
If we divide any number by zero, there occurs an
Java application uses an stream to read data from a source.
Q.2
What is Array? Explain types of array in java with suitable example.
07
What is OOP? Explain Object, Classes and Methods in java.
07
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SLR-CR-8
Q.3
What is Variable in java? Explain with suitable example.
07
Explain operators in java? With suitable example.
07
Q.4
What is looping? Explain looping statement with suitable example.
07
Write a program to print following output.
1 2 3 4 5 1 2 3 4 1 2 1
07
Q.5
Explain following.
Decision making statement in java
06
File handling in java
04
Try catch block in java
04