Exam Details
| Subject | object oriented programming using java (paper – i) | |
| Paper | ||
| Exam / Course | b.sc. – i (ecs) | |
| Department | ||
| Organization | solapur university | |
| Position | ||
| Exam Date | December, 2018 | |
| City, State | maharashtra, solapur |
Question Paper
B.Sc. (E.C.S.) II (Semester IV) (New CBCS) Examination, 2018
object oriented programming using java (Paper
Day and Date Friday, 7-12-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions are compulsory.
Figures to the right place indicate full marks.
1. Choose correct alternatives. 14
Which of these functions is called to display the output of an applet
display paint()
displayApplet() PrintApplet()
Which of the following blocks execute compulsorily whether exception is
caught or not
finally catch throws none of the above
If a subclass has the same method as declared in the parent class it is
known as
Method overriding Method overloading
Constructor overloading None of the above
What is the return type of a method that does not returns any value
int flot void doube
In java a thread can be created by
Extending the thread class
Implementing Runnable interface
Both and
None of these
What is maximum thread priority in Java
10 12 5 8
What is size of integer in Java Programming
3 Bytes 4 Bytes 2 Bytes 8 Bytes
Which of these class is super class of every class in Java
String class Object class
Abstract class ArrayList class
What does AWT stands for
All Window Tools All Writing Tools
Abstract Window Toolkit Abstract Writing Toolkit
10) On successful compilation a file with the class extension is created.
True False
11) What is the default layout for Dialogs
FlowLayout BorderLayout
CardLayout GridLayout
12) If there is no constructor in a class, compiler automatically creates a default
constructor
True False
13) Which of the below is invalid identifier with main method
Public Static
Private Final
14) Which of these operators is used to allocate memory to array variable in
Java
malloc alloc new new malloc
2. Solve any seven of the following 14
Define JDK.
What is an interface
What is synchronization
What is an exception
What is Abstraction and Encapsulation
What is an array Types of array.
What is the difference between print() and Println().
Explain Thread Priority.
What is Garbage collection in Java
3. Answer any two of the following 10
Explain features of java in detail.
What is method overriding Explain with suitable example.
What is collection framework in java Explain with suitable exampleHash
Map.
Explain this keyword with example. 4
4. Answer any two of the following 14
What is the use of Layout manager Explain GridLayout with example.
What is multithreading in Java Explain Lifecycle of a thread with
diagram.
What is constructor Explain with suitable example.
5. Answer any two of the following 14
Explain types of inheritance in Java with the example of single
inheritance.
Explain character Stream classes. Write a program to copy file to file using
character stream.
Explain the structure of Java program in detail.
object oriented programming using java (Paper
Day and Date Friday, 7-12-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions are compulsory.
Figures to the right place indicate full marks.
1. Choose correct alternatives. 14
Which of these functions is called to display the output of an applet
display paint()
displayApplet() PrintApplet()
Which of the following blocks execute compulsorily whether exception is
caught or not
finally catch throws none of the above
If a subclass has the same method as declared in the parent class it is
known as
Method overriding Method overloading
Constructor overloading None of the above
What is the return type of a method that does not returns any value
int flot void doube
In java a thread can be created by
Extending the thread class
Implementing Runnable interface
Both and
None of these
What is maximum thread priority in Java
10 12 5 8
What is size of integer in Java Programming
3 Bytes 4 Bytes 2 Bytes 8 Bytes
Which of these class is super class of every class in Java
String class Object class
Abstract class ArrayList class
What does AWT stands for
All Window Tools All Writing Tools
Abstract Window Toolkit Abstract Writing Toolkit
10) On successful compilation a file with the class extension is created.
True False
11) What is the default layout for Dialogs
FlowLayout BorderLayout
CardLayout GridLayout
12) If there is no constructor in a class, compiler automatically creates a default
constructor
True False
13) Which of the below is invalid identifier with main method
Public Static
Private Final
14) Which of these operators is used to allocate memory to array variable in
Java
malloc alloc new new malloc
2. Solve any seven of the following 14
Define JDK.
What is an interface
What is synchronization
What is an exception
What is Abstraction and Encapsulation
What is an array Types of array.
What is the difference between print() and Println().
Explain Thread Priority.
What is Garbage collection in Java
3. Answer any two of the following 10
Explain features of java in detail.
What is method overriding Explain with suitable example.
What is collection framework in java Explain with suitable exampleHash
Map.
Explain this keyword with example. 4
4. Answer any two of the following 14
What is the use of Layout manager Explain GridLayout with example.
What is multithreading in Java Explain Lifecycle of a thread with
diagram.
What is constructor Explain with suitable example.
5. Answer any two of the following 14
Explain types of inheritance in Java with the example of single
inheritance.
Explain character Stream classes. Write a program to copy file to file using
character stream.
Explain the structure of Java program in detail.
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