Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech II Year JAVA PROGRAMMING Previous Question Paper (December - 2018 - R13)
This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.
PART - A
What is the significance of Java’s byte code?
Answer
Java bytecode is an intermediate, platform-independent representation of code generated by the compiler. Its significance lies in enabling the Write Once, Run Anywhere (WORA) capability, as the Java Virtual Machine (JVM) can interpret or JIT-compile this bytecode on any architecture.
List the applications of object oriented programming.
Answer
Key applications of object-oriented programming include:
- Client-server systems and distributed computing.
- Real-time systems and simulation software.
- Graphical User Interface (GUI) development.
- Database management and enterprise-level application development.
Differentiate class, abstract class and interface.
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How to create and use a package in Java program?
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How does Java support inter thread communication?
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List any four unchecked exception.
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What is the use of Iterator class?
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Compare byte streams with character streams.
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Give the subclasses of JButton class.
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Differentiate between grid layout and border layout managers.
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PART - B
What are the drawbacks of procedural languages? Explain the need of object oriented programming with suitable program.
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Discuss the lexical issues of Java.
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What are the primitive data types in Java? Write about type conversions.
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What is a constructor? What is its requirement in programming? Explain with program.
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With suitable code segments illustrate various uses of ‘final’ keyword.
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Discuss about anonymous inner classes.
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What are the benefits of inheritance? Explain the various forms of inheritance with suitable code segments.
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With a program illustrate user defined exception handling
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How to handle multiple catch blocks for a nested try block? Explain with an example.
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Describe how to create a thread with an example.
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Write a program to explain thread priorities usage.
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What support is provided by File class for file management? Illustrate with suitable scenarios.
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Describe different types of JDBC drivers.
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Explain the random access file operations with a suitable program.
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What is the role of event listeners in event handling? List the Java event listeners
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Write an applet to display the mouse cursor position in that applet window.
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Discuss various AWT containers with examples.
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Explain about the adapter class with an example.
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