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1. JAIPUR NATIONAL UNIVERSITY, JAIPUR
School of Distance Education & Learning
Internal Assignment No. 1
Master of Computer Applications (MCA)
Paper Code: MCA – 204
Paper Title: Programming in Java
Last date of submission:
Max. Marks: 15
Note : Question No. 1 is of short answer type and is compulsory for all the students.
It carries 5 Marks. (Word limits 50-100)
Q. 1. Answer all the questions.
(i) What are the four main OOPS concepts?
(ii) Explain token with one example?
(iii) Differentiate --a and a--.
(iv) Define decision control statement.
(v) What is array and how to declare it?
Note: Answer any two questions. Each question carries 5 marks (Word limits 500)
Q. 2. Explain in detail sequence control statement.
Q. 3. Write a programme to short an array of strings.(for bubble sort)
Q. 4. Explain the garbage collection and garbage collection algorithms.

2. JAIPUR NATIONAL UNIVERSITY, JAIPUR
School of Distance Education & Learning
Internal Assignment No. 2
Master of Computer Applications (MCA)
Paper Code: MCA – 204
Paper Title: Programming in Java
Last date of submission:
Max. Marks: 15
Note : Question No. 1 is of short answer type and is compulsory for all the students.
It carries 5 Marks. (Word limits 50-100)
Q. 1. Answer all the questions.
(i) Explain the class and constructors.
(ii) Explain the abstract methods and classes.
(iii) What is wrapper class and number class?
(iv) Briefly explain the types of packagesx.
(v) Differentiate between throw and throws.
Note: Answer any two questions. Each question carries 5 marks (Word limits 500)
Q. 2. What is inheritance, Described any two type of inheritance with coding.
Q. 3. What is exception? Write a Java programme to handle arithmetic exception.
Q. 4. Write a programme to read and write in file.