No matter whatever career path you choose in the field of computer science, data structures and algorithms lies at the root of it. All top product companies including FAANG will test your skills in data structures and algorithms.

C++ programs are directly compiled into machine-executable codes which consumes less time to execute the code. Hence, it is widely used in competitive programming where you are expected to optimise time and memory. So, if you are interested to explore competitive programming then it is good to start with C++ language

Java programs are easy to understand, structured and less prone to errors. Also, they are platform independent and portable which makes it a good choice for mobile, web and desktop applications. So, if you are looking for a career in software development then it is good to start with the Java language

Python programs are simple in syntax with extensive library support which helps the programmers to come up with required logic with few lines of code. It is popular and widely used in the data domains like data science, Machine learning, deep learning etc.., So, if you are looking for a career in the field of Artificial Intelligence then it is good to start with the Python language