Tip 1 : Prepare easy and medium ds algo questions
Tip 2 : Prepare Java and my sql database
Tip 3 : Prepare System Design
Tip 1 : Tag you links of LinkedIn profile and your competitive coding profile in your resume
Tip 2 : Mention your all projects
Interviewer was very friendly and of very good nature, the environment she set before starting the interview is awesome and also helps me in guiding if i miss anything



1. There will be no leading zeros in any string in the list ‘BINARYNUMS’.
Consider N = 5 and the list ‘binaryNums’= [“0”, “01”, “010”, “100”, “101”]. This list consists of the binary representation of numbers [0, 1, 2, 4, 5]. Clearly, the missing number is 3 and its binary representation will be “11”. So you should return string “11”.
Step 1 : sum all the elements present in array
Step 2 : find the expected sum of natural numbers
Step 3 : the difference of expected sum and actual sum is the missing natural number
Interviewer was not good in nature and just want to wrap the interview as early as he can, he give me two problems and then one system design
Design a traffic signal system
Tip 1: Prepare for some system design problems
Tip 2: prepare data structures accordingly
Tip 3: get deeper understanding of database structure

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How do you remove whitespace from the start of a string?