Oracle Financial Services Software Senior Developer Interview Questions and Answers

Q1. Write tree structure iterations with shortest path
Ans. 
Iterate through a tree structure and find the shortest path
• Use a depth-first or breadth-first search algorithm to traverse the tree

• Keep track of the current path while traversing

• Compare the length of each path to find the shortest one

• Consider using a priority queue or a min-heap to optimize the search
Answered by AI
Add your answer
Q2. Longest palindrome
Ans. 
Find the longest palindrome in an array of strings.
• Iterate through each string in the array

• For each string, check if it is a palindrome

• Keep track of the longest palindrome found so far

• Return the longest palindrome
Answered by AI
Add your answer

Q1. Write a program code for binary search
Ans. 
Binary search program code in Python
• Define a function that takes a sorted array and a target value as input

• Initialize two pointers, low and high, to the start and end of the array

• While low is less than or equal to high, calculate mid as (low + high) // 2 and compare array[mid] with target

• If array[mid] is equal to target, return mid

• If array[mid] is less than target, update low to mid + 1

• If array[mid] is greater than tar...read more
Answered by AI
Add your answer
Q2. C++ constructors
Add your answer

Calculator code of addition substraction and multiplication

CODING TEST OF how to add 2 numbers

Coding test of how to use loops

Q1. Whats your salary expectation
Add your answer

In first round 4 coding question like 1 dsa 2 database and one is api and question is very simple . coding round was conducted in hackerrank

Q1. DSA QUESTION LIKE TREE AND GRAPH
Add your answer
Q2. DP AND SORTING APPROACH
Add your answer

Again same but dsa question and oops concept in deep level

Q1. Basic Questions, Data types, Promises
Add your answer
Q2. Event loop, and other js concepts
Add your answer

Q1. Rest Apis questions
Add your answer

Q1. Core java and OOPS and LLD
Add your answer

1 hour , dsa, hackerearth, medim to hard

Q1. Dsa question was asked in it
Add your answer
Q2. Questions related to resume was asked
Add your answer

2 hours of duration and medium level leetcode questions

Q1. What do you mean by os?
Ans. 
OS stands for Operating System. It is a software that manages computer hardware and provides services for computer programs.
• OS is the software that acts as an intermediary between computer hardware and user applications.

• It manages computer resources such as memory, processors, devices, and file systems.

• Examples of popular operating systems include Windows, macOS, Linux, and Android.
Answered by AI
Add your answer
Q2. How can deadlock be avoided?
Ans. 
Deadlock can be avoided by implementing proper resource allocation strategies and using techniques like deadlock prevention, avoidance, detection, and recovery.
• Implement proper resource allocation strategies such as resource ordering, wait-die, wound-wait, etc.

• Use techniques like deadlock prevention by ensuring that the system never enters a deadlock state, avoidance by ensuring that the system does not enter an unsafe...read more
Answered by AI
Add your answer