CAPGEO SOLUTIONS Application Development - Senior Analyst Interview Questions and Answers

Q1. Springboot, java, javascript
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Q2. SQL plsql queries
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Q3. Project knowledge
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Q1. Difference between class & interface
Ans. 
Classes can have both implementation and data members, while interfaces can only have method signatures.
• Classes can have constructors, interfaces cannot.

• Classes can have access modifiers for their members, interfaces cannot.

• A class can implement multiple interfaces, but can only inherit from one class.

• Interfaces are used to achieve abstraction and multiple inheritance in Java.

• Example: Class 'Animal' can have methods li...read more
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Q1. About current project
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Q1. Explain the concept of multithreading and how is it differ from multiprocessing
Ans. 
Multithreading allows multiple threads to exist within the context of a single process, while multiprocessing involves multiple processes running concurrently.
• Multithreading allows multiple threads to share the same memory space and resources of a single process, while multiprocessing involves separate memory space for each process.

• Multithreading is more lightweight and efficient compared to multiprocessing as threads ...read more
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Q1. Stacks queues data structures
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Q1. Project explanation,security concept question,integration basics,what are debug logs
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Q2. Lwc lifecycle hooks and one trigger to code
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Q1. Garbage collector algorithm
Ans. 
Garbage collector algorithm manages memory allocation and deallocation in a program.
• Garbage collector automatically frees up memory that is no longer in use.

• It identifies and removes objects that are no longer referenced by the program.

• There are different types of garbage collector algorithms such as mark-and-sweep, reference counting, and generational.

• Java and .NET languages use garbage collector by default.

• Garbage co...read more
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Q1. Memory management questions
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DS & Algo based programming

Salesforce Apex coding also making use Queue and Recursive algo.

Q1. System Design and Scalable approach
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Q1. No of days workers do like A works 10 days B works 10 days
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Q2. Graph based question
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Q1. Merge two sorted arrays
Ans. 
Merge two sorted arrays into a single sorted array
• Create a new array to store the merged result

• Use two pointers to iterate through both arrays and compare elements

• Add the smaller element to the new array and move the pointer for that array
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Q2. Max heap based question
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Q1. Maximum length of subarray of given sum
Ans. 
Find the maximum length of a subarray with a given sum in an array.
• Use a hashmap to store the running sum and its corresponding index.

• Iterate through the array and update the hashmap with the running sum.

• Check if the difference between the current sum and the target sum exists in the hashmap to find the subarray length.
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Q2. Oops implementation question not theory question
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