Rakuten Symphony Senior Software Engineer Interview Questions and Answers

Q1. What is arrow functions
Ans. 
Arrow functions are a concise way to write functions in JavaScript.
• Arrow functions are introduced in ES6.

• They have a shorter syntax compared to traditional function expressions.

• Arrow functions do not have their own 'this' keyword.

• They are best suited for non-method functions.

• Example: const add = (a, b) => a + b;
Answered by AI
Add your answer

Q1. Write code for parenthesis matching
Ans. 
Code to match parentheses in a string
• Use a stack to keep track of opening parentheses

• Iterate through the string and push opening parentheses onto the stack

• When a closing parenthesis is encountered, pop from the stack and check if it matches the closing parenthesis
Answered by AI
Add your answer

Q1. Tell me about Hls ja
Ans. 
HLS stands for HTTP Live Streaming, a protocol used for streaming media over the internet.
• HLS breaks the media content into small chunks and delivers them over HTTP.

• It is widely used for streaming video and audio content on the internet.

• HLS allows adaptive bitrate streaming, where the quality of the video adjusts based on the viewer's network speed.

• Popular streaming services like Netflix and Hulu use HLS for delivering
Answered by AI
Add your answer

Q1. Reverse a linked list.
Add your answer
Q2. Merge sort on a array/
Add your answer

Easy-medium level and it included two coding questions and some technical questions

Q1. How are structures and classes stored?
Ans. 
Structures and classes are stored in memory as a combination of data members and member functions.
• Structures and classes are stored in memory as a combination of data members and member functions.

• Data members of a structure or class are stored in contiguous memory locations.

• Member functions of a class are stored separately in memory and are shared among all instances of the class.

• Pointers to member functions are used t...read more
Answered by AI
Add your answer
Q2. What is final and finalize?
Ans. 
final is a keyword in Java used to restrict inheritance, overriding, and modification. finalize is a method used for cleanup operations before an object is garbage collected.
• final keyword is used to declare constants, prevent inheritance by marking a class as final, and prevent method overriding by marking a method as final

• finalize method is called by the garbage collector before an object is destroyed

• Example: final in...read more
Answered by AI
Add your answer

Q1. Introduction call and experience matching
Add your answer

Q1. Docker and web development questions
Add your answer

It was a good experience in aptitude

Q1. They are asking simple questions like oops , spring bean,how to avoid duplication values in array and in order
Add your answer

Q1. General discussion
Add your answer

It is easy and conducted in aon platform

It is easy ques from array and string topic

Q1. Asked questions from resume and coding que on stack umplented in queue with dbms concepts
Add your answer

1st round some apt qns,some prgramming qns are they asked

Q1. C depth concepts and some prgram
Add your answer

Q1. Some DSA questions they asked
Add your answer

Basi aptitude and coding mcq

Q1. What is hashmap
Add your answer