Kotlin Questions

It's used for string interpolation.

It defines a constant variable.

It forces a variable to throw a NullPointerException.

It marks a variable as able to hold null values.

To define a new custom exception class.

To specify the type of exception that the catch block can handle.

To handle exceptions thrown in the try block.

To execute code regardless of whether an exception is thrown.

By preventing invalid states from being represented in the code.

By optimizing the performance of code that manipulates large datasets.

By automatically generating unit tests for complex structures.

By enabling dynamic code execution at runtime.

When you want to create a custom exception class.

When you want to define a constant value.

When you want to initialize a non-nullable property later in the code, typically when you are certain it will be assigned a non-null value before its first use.

When you want to make a property nullable.

To convert between different string encodings.

To create immutable strings.

To efficiently build mutable strings.

To perform regular expression matching.

@Open

@Abstract

@Overrideable

@Override

filter().first()

first()

search()

find()

It can lead to an infinite loop and a StackOverflowError.

It makes the code less readable and harder to understand.

It prevents the function from returning any value.

It forces the use of tail recursion optimization.

Custom exceptions cannot be thrown in Kotlin.

By using the catch block with an instance of your custom exception class.

By using the throw keyword with an instance of your custom exception class.

By using the try block with an instance of your custom exception class.

Improved code readability with asynchronous operations.

Direct replacement for traditional threads.

Eliminates the need for error handling.

Reduces memory consumption by eliminating objects.