| END TERM EXAMINATION | |
| Fourth Semester[BCA] | May-June, 2025 |
| Paper Code: BCA-202 | Subject : Java Programming |
| Time:3 Hours | Maximum Marks:60 |
| Note: Attempt five questions in all including Q.No.1 which is compulsory. Select one question from each unit. | |
| Q1 Answer the following in brief. (Any five) (2×10=20) | |
| (a) What are the key differences between Java and C++? | |
| (b) Explain different types of access specifiers available in Java? | |
| (c) Explain the features of Java | |
| (d) How Garbage Collection is achieved in Java? | |
(e) State the purpose of Static block. |
|
| (f) Explain checked and unchecked exceptions. | |
| (g) Explain Adapter Class | |
(h) What is the use of Super and final keyword? |
|
| (i) Differentiate abstract class and interface. | |
(j) What is the difference between int and Integer? |
|
| UNIT I | |
| Q2. a) What is a constructor? Write a program to show constructor overloading. (5) | |
| b) Write a program to show 5 string methods. What is a String Buffer class? (5) | |
| Q3. Explain Java architecture in brief. What are the types of applications in Java? (10) | |
| UNIT-II | |
| Q4. a) What is inheritance? Write a program to show multilevel inheritance. (5) | |
| (b) Explain the usage of interface in Java? Give an example of a class which implements interface. (5) | |
| Q5. a) What is package? How to use two different packages in a Java class? Give example. (5) | |
b) Explain exception handling with suitable example. Differentiate between throw and throws? (5) |
|
| UNIT-III | |
| Q6. a) What are the byte and character streams in file handling? (5) | |
| b) Write a program to read and write the content of a file in text mode. (5) | |
| Q7. Explain the life cycle of Thread and methods to implement thread with suitable code. (10) | |
| UNIT-IV | |
| Q.8 a) Create a login form using Swing Controls. (5) | |
| b) What are the different types of Layout Managers? (5) | |
| Q9 Explain the JDBC Architecture. What is JDBC Driver and Connection statement? (10) | |
