BCA || Java 2024 Paper || MDSU Exam Paper

Q.1 What is the purpose of "public static void main (string args[])

Q.2 What does "Null pointer Exception signify in Java

Q.3 What is the role of 'super() in a constructor?

Q.4 What are basic Access Modifiers used in Java.

Q.5 How can you prevent a class from being inherited in Java

Q.6 How muchocked exceptions are handled in Java

Q.7 What is the use of final, finally, and finallize keywords in Java.

Q.8 What are abstract classes, how to use them in Java Program

Q.9 What is roplicit and explicit casting: Give example?

Q.10 What is the use of notify (), wait(), and notify ALL()

Q.11 How we can declare and use 'package Give suitable code in support.

Q.12 Give an example of call of reference and call by value in Java?

Q.13 Briefly introduce class and objects in OOPs paradigm.

Q.14 Introduce types of Laterals, variables and operator

Q.15 Write code for the function for matrix multiplication using away.

Q.16 What is object class? How we can use it (implementation methods). (Give some snippet code in support)

CR

Explain how and when casting in necessary in Java. How it in implemented?

Q.17 What is the use of string & Integer, class Give their specific important methods that you have used.

CR

(a) What is Interface, how it is used.

(b) What is Package how it is implemented [Give snippet code is support]

Q.18 Explain with example how thread class and Rumable Interface is used.

CR

Describe Lifecycle of Applet and its implementation.