Encora Software Engineer Interview Questions and Answers

Q1. Design Rate Limiter
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Q1. Basics of Java OOPS
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Q1. You have a list of numbers, now using stream api calculate the sum of all integers in a list ?
Ans. 
Use stream api to calculate sum of integers in a list.
• Use stream() method on the list to create a stream of elements.

• Use mapToInt() method to convert each element to an integer.

• Use sum() method to calculate the sum of all integers.
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Q2. Given two arrays of integers, find the one extra element in second array ? Eg. int[] arr1 = [1,3,7,8]; int[] arr2 = [3,8,7,9,1];
Ans. 
Loop through both arrays and use a hashmap to store frequency of elements, then find the extra element.
• Loop through both arrays and store frequency of elements in a hashmap

• Compare the frequency of elements in both arrays to find the extra element

• Return the extra element found in the second array
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Q1. Life cycle hook asyn apex triggers
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Q2. Asyn apex ,batch.future
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Q3. Governer limit of salesforce
Ans. 
Governor limits in Salesforce are predefined limits that prevent abuse and ensure fair resource allocation.
• Governor limits apply to various aspects of Salesforce, such as Apex code, SOQL queries, DML operations, and email invocations.

• These limits are in place to maintain system performance, prevent infinite loops, and protect against resource hogging.

• Examples of governor limits include maximum CPU time, maximum number ...read more
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Q4. Soql queries on account and contact
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It includes reasoning, verbal and quantitative abilities

Includes two coding questions
These are from arrays

Q1. 1. Your Project 2. Your internship learning and experiences 3. Oops questions
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Q1. 1. Introduction 2. Family background 3. Why should we hire you 4.Any extra curricular activities
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