JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech II Year OBJECT ORIENTED PROGRAMMING THROUGH JAVA Previous Question Paper (September/October - 2023 - R16)
Part A is compulsory. In Part B, Answer any one question from each unit.
Part A
What is a Constructor?
Answer
A constructor is a special member method in Java that is invoked automatically when an object of a class is created. It has the same name as the class and does not have an explicit return type, not even void.
What are Control Statements?
Answer
Control statements are programming constructs that determine the flow of execution in a program based on specific conditions. They are categorized into selection statements (e.g., if-else, switch), iteration statements (e.g., for, while, do-while), and jump statements (e.g., break, continue, return).
Explain Nested Interfaces?
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What is serialization? Give one example.
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Write about Synchronization of threads.
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What is the difference Thread and Process?
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Write about Random Utility Class?
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What is Priority Queue in Java? Explain
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Write about Border Layout.
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What is an Event Listener? Give an example.
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Part B
How do you implement Hierarchical Inheritance in Java? Explain.
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Write a Java program to find smallest of array elements.
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Write about any two string handling functions in Java?
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Write a Java program to accept a String and to reverse it?
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What is the need of IO Streams?
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Write a program to read and write contents of a file as a stream of bytes?
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What are Packages? Explain. Write a Java code to create Employee package with basic employee details?
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What is a Multi Threading? Explain.
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Write a program to create two threads, using these two threads print even and odd numbers in increasing order.
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Explain Checked and Unchecked Exceptions in Java ? Explain.
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Write a java code for handling Arithmetic exception?
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Explain Map Interfaces and Classes with examples.
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Explain Array List and Array Deque? What is the difference between them? How do you implement them in java? Explain with suitable example.
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Explain MVC architecture? Explain about containers? Write the limitations of AWT.
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Write about various Swing Controls? Write a code to create login window.
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