Capgemini Senior Associate Interview Questions, Process, and Tips for Freshers

Streams are used to process collections of objects in a functional style, while parallel streams allow for concurrent processing.

• Streams are sequential and process elements one by one, while parallel streams split the data into multiple parts and process them concurrently.

• Parallel streams can improve performance for large datasets by utilizing multiple threads for processing.

• Example: Using a stream to filter a list of ...read more

HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.

• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where the pair will be stored.

• If multiple keys hash to the same index, a collision occurs and the pairs are stored in a linked list at that index.

• To...read more

Reconciliation is the process of comparing two sets of records to ensure they are in agreement.

• Reconciliation involves identifying discrepancies between the two sets of records.

• It is often performed in accounting to ensure financial transactions are accurately recorded.

• Reconciliation can be done manually or using software tools.

• Examples include bank reconciliation, where a company compares its internal financial record...read more

Vlookup formula is used to search for a value in the first column of a range and return a value in the same row from another column.

• Use the VLOOKUP function in Excel or Google Sheets

• Specify the lookup value, table array, column index number, and range lookup (exact match or approximate match)

• Example: =VLOOKUP(A2, Sheet2!A:B, 2, FALSE) will search for the value in cell A2 in the first column of Sheet2 and return the cor