Object Oriented Programming in Java — Winter 2024

Do as directed.

Define bytecodes. ii) What is use of super keyword? iii) Java supports multilevel inheritance.(True/False) iv) We can have more than one public class in a single java file.(True/False)

____ keyword is used to define a constant in java. vi) We can’t instantiate _____ class. vii) _____ is a ternary operator in java.

What do you mean by platform independent? Is java platform independent? Justify your answer.

What are conditional statements available in java? List and explain.

List and explain different operators available in java.

What is method overloading? Explain with a suitable example.

What is inheritance? What is its use? What are the different types of inheritance in java?

What is use of a package? How can we create package in java?

What is method overriding? Explain with a suitable example.

What is constructor? What is use of constructor? Explain with a suitable example.

What is exception? How can we handle exceptions in java?

What is collection framework? Explain any 2 classes of collection framework.

What is custom exception? How can we create and use custom exception?

What is thread? How can we create thread in java?

What is thread synchronization? How can we synchronize thread in java?

What is use of FileInputStream and FileOutputStream classes? Explain with code snippet.

What is use of InputStream and OutputStream classes? Also discuss its methods.

What is wrapper class? What is autoboxing and autounboxing in java? When it happens? Explain with code snippet.