This download link is referred from the post: JNTUH MCA 3rd Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university
Code No: 81340
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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MCA 111 Semester Examinations, December - 2019
JAVA PROGRAMMING
Time: 3 Hours Max. Marks: 60
Note: This question paper contains two parts A and B.
Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 8 marks and may have a, b, c as sub questions.
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PART - A
5 x 4 Marks = 20
- a) “Java is strongly typed programming language”. Justify your answer. [4]
- b) List the benefits of inheritance.
- c) Illustrate all the methods in StringTokenizer class.
- d) Discuss various Thread Priorities with suitable examples.
- e) Describe Applet Life Cycle and discuss all the methods.
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PART - B
5 x 8 Marks = 40
- a) Distinguish between constructor overloading and method overloading with suitable examples.
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b) Explain how does String class is different from the StringBuffer class? [4+4]
OR - a) Discuss about all the iterative statements in java.
b) Write a Java program to find factorial of given number. [5+3] - a) Explain static nested class and inner class with examples.
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b) Write a Java program for implementing final methods, final classes. [4+4]
OR - a) What are the benefits of using packages in JAVA?
b) How to import one package to another package? Give example. [4+4] - a) What is Collection Frame work? Write a Java program for creating a Array List.
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b) What are the benefits of Hash Map? Compare Hash Map and Tree Map. [4+4]
OR - a) How to handle primitive data types using the I/O package? Give suitable examples.
b) Write a Java program to append the contents for existing file. [4+4] - a) What are the different ways to handle exceptions?
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b) Write a Java Program to illustrate try with multiple catch statements. [5+3]
OR - a) What is a single threaded Program? Write a Java Program for implementation of multithreading.
b) Write about Daemon threads with examples. [5+3] - a) Discuss about event classes and event listener interfaces in Java?
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b) Describe event delegation model in detail. [5+3]
OR - Write a Java Program to create a Simple GUI form for Bio-Data. [8]
(Name, Age, Gender, DOB, qualification, Experience, Address, Phone no.)
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This download link is referred from the post: JNTUH MCA 3rd Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university