Java Questions

There is no difference; they are interchangeable terms.

A class is a blueprint, while an object is a physical entity.

A class defines properties and behavior, while an object is an instance of a class.

A class is a variable type, while an object is a function.

Creating an object of the class

Declaring the method's return type

Using the method's name followed by parentheses

Defining the method body

insert()

add()

push()

append()

The code will result in a compilation error.

12

10

11

Constructors are optional, so a class may or may not have any.

Yes, as long as they have different parameter lists.

No, a class can only have one constructor.

Yes, but they must have the same parameter list.

throw

try

catch

finally

A conditional statement that terminates the recursion

A loop within the recursive method

A return statement in all code paths

Using a different method name for each recursive call

Arrays can store objects of different classes, while ArrayLists can only store objects of the same class.

Arrays are fixed in size, while ArrayLists are dynamically sized.

Arrays can store primitive data types, while ArrayLists cannot.

Arrays are part of the Java Collections Framework, while ArrayLists are not.

1

0

3.33

3

To modify the behavior of existing Java exception classes.

To avoid handling exceptions altogether.

To improve the performance of exception handling.

To represent specific exception scenarios relevant to your application.