Oracle

3 rounds·3-4 weeks (avg 27 days)·7 patterns·15% hard

Key patterns

Showing 3 of 7

1arrays hashing

medium85%

2string

medium80%

3linked list

medium75%

4trees

medium70%

5graphs

medium60%

+4 more patterns

Showing 3 of 6

First Missing Positivevery common

Linked List Cycle Detectionvery common

Find All Duplicates in Arraycommon

Add Two Numbers (Linked List)common

Coin Change (DP)common

+3 more must-know questions

Showing 1 of 3 rounds

1. Technical screen - previous experience + theory60 min

backgroundfundamentals

2. Technical coding - DSA + fundamentals60 min

algorithmsJava

+2 more interview rounds

Pacemoderate

Optimal requiredno

Hints givenyes

1/6

Entry$XXX,XXX

Mid$XXX,XXX

Senior$XXX,XXX

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The average Oracle candidate needs 15 hours to cover all patterns.