Interview Questions

Sue G. - "Race Condition i,e multiple threads modifying simultaneously can lead to data inconsistency Operations like putIfAbsent() or computeIfAbsent() are not atomoic i.e duplicate entries or missing updates when multiple threads perform operations Data Corruption : during resizing of a hashmap by a thread, if another thread is accessing the same data , buckets can get corrupted, leading to a loss of data"See full answer

Exponent - "This is another Fermi problem — an estimation or approximation problem with limited information and back-of-the-envelope calculations. There's no right answer: interviewers want to understand how you think and how well you can explain your reasoning, rather than what you already know. Recall the formula for Fermi problems: Ask clarifying questions Catalog what you know Make equation(s) Think about edge cases to add to equation **Breakdown components of your"See full answer

Exponent - "This is a Design a Product question. For this, we'll want to follow the formula for success: Ask clarifying questions Identify user types, behaviors, and pain points State the goal and use cases List current solutions Improvements / net new solutions Evaluate and select solutions Measure Success Summarize Ask clarifying questions It's important to get clarity on anything unclear. Asking questions also helps us limit scope early on s"See full answer

Shashwat A. - "Java language public static int[] FirstLastOccurence(int[] arr, int target){ int[] ans = new int[2]; ans[0] = -1 // if value not present ans[1] = -1 // if value not present for(int i =0;i=0;i--){ if(arr[i] == target){ ans[1] = i; break; } return ans; }"See full answer

Adam S. - "function findMinMax(array){ array.sort((a,b) => a - b); let min = array[0]; let max = array.slice(-1); return [min,max]; } `"See full answer