ZF India Technology Center Embedded Engineer Interview Questions and Answers

A code to reverse a phrase by splitting it into words and reversing the order of the words.

• Split the phrase into an array of words using a space as the delimiter

• Reverse the order of the words in the array

• Join the words back together with spaces in between

Smart pointers are objects that store a pointer to dynamically allocated memory and provide automatic memory management.

• Smart pointers help prevent memory leaks by automatically releasing memory when the pointer is no longer needed.

• Examples include unique_ptr, shared_ptr, and weak_ptr in C++.

• unique_ptr is used for exclusive ownership, shared_ptr for shared ownership, and weak_ptr to break circular references.

A lambda function is a small anonymous function defined in a single line of code without a name.

• Lambda functions are often used in programming languages that support functional programming.

• They are commonly used for short, simple operations that do not require a named function.

• Lambda functions can take any number of arguments but can only have one expression.

• Example: lambda x: x*2 defines a lambda function that doubles

Threading is a way for a program to split itself into multiple simultaneous tasks.

• Threading allows for parallel execution of tasks within a program.

• Each thread has its own stack and runs independently of other threads.

• Threads can communicate with each other and share resources.

• Example: A web server handling multiple client requests concurrently using threads.

Lambda function is an anonymous function in programming that can have multiple parameters and can be used as an argument to other functions.

• Lambda functions are also known as anonymous functions because they do not have a name.

• They are often used for short, one-time tasks that do not require a separate function definition.

• Lambda functions can take multiple parameters and return a single value.

• Example: lambda x, y: x + ...read more