Question 1
(a)
Explain method overriding and method overloading in Java.
3 Marks
(b)
Demonstrates use of BufferedReader and the readLine() method.
4 Marks
(c)
Define and explain object and class in Java with appropriate example.
7 Marks
Gujarat Technological UniversitySummer 2025 Examination
GTU 3140705 Object Oriented Programming -I (Java) Summer 2025 Paper Solution & PDF
B.E. · Computer Engineering · Semester 4 · Subject Code: 3140705
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
What is constructor? What is it role? Explain various features/characteristics of constructors.
3 Marks
(b)
What are different types of access modifier?
4 Marks
(c)
What is purpose of using methods? How do you declare a method? How do you invoke a method?
7 Marks
OR OPTION
(c)
What is difference between final, finally and finalize.
7 Marks
Question 3
(a)
What is super class?
3 Marks
(b)
Define interface in java.
4 Marks
(c)
Explain inheritance with example.
7 Marks
OR OPTION
(a)
What is use of super keyword?
3 Marks
(b)
What is package concept and Describe the use of package.
4 Marks
(c)
Explain polymorphism with example.
7 Marks
Question 4
(a)
Explain use of throw in exception handling with example.
3 Marks
(b)
Explain creation of different shapes in JAVAFX application?
4 Marks
(c)
Explain Generics classes with example.
7 Marks
OR OPTION
(a)
Explain difference between throw and throws.
3 Marks
(b)
Write programs to deal with MouseEvents.
4 Marks
(c)
Explain Generics methods with example.
7 Marks
Question 5
(a)
Demonstrate use of the Animation, PathTransition.
3 Marks
(b)
Describe the life cycle of a thread object.
4 Marks
(c)
Explain use of Linked List collection class with example.
7 Marks
OR OPTION
(a)
Create a radio button using the RadioButton class and group radio buttons using a ToggleGroup.
3 Marks
(b)
Explain runnable interface.
4 Marks
(c)
Explain Sets with examples.
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Object Oriented Programming -I (Java) (Summer 2025, B.E. · Computer Engineering, Sem 4). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.