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Memory leak is a situation where a program fails to release memory it has allocated, leading to a gradual loss of available memory.
Memory leaks occur when a program allocates memory but does not free it after use.
This can lead to a gradual increase in memory usage over time, potentially causing the program to slow down or crash.
Common causes of memory leaks include improper memory management in languages like C or C++.
...
To connect a database to Java, you need to use JDBC (Java Database Connectivity) API.
Import JDBC library in your Java project
Load the database driver using Class.forName() method
Establish a connection to the database using DriverManager.getConnection() method
Create a statement object to execute SQL queries
Execute SQL queries and process the results
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
Time and distance, ages, interest, speed and circular arrangment
Hirepro 45 mins 2questions
What people are saying about Oracle Financial Services Software
I was interviewed in Nov 2016.
Oracle Financial Services Software interview questions for designations
I was interviewed before Aug 2016.
I was interviewed in Apr 2017.
I am a software developer with a passion for coding and problem-solving. My family is supportive and has always encouraged my career in tech.
Experienced software developer
Passionate about coding and problem-solving
Supportive family that encourages my career in tech
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
This was an easy round which went really smooth.
Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2)
, with initial conditions F(1) = F(2) = 1
.
Calculate the Nth Fibonacci number efficiently using dynamic programming.
Use dynamic programming to store previously calculated Fibonacci numbers to avoid redundant calculations.
Start with base cases F(1) and F(2) as 1, then iteratively calculate F(n) using F(n-1) and F(n-2).
Ensure the input N is within the constraints 1 <= N <= 10000.
Example: For N = 5, the 5th Fibonacci number is 5 (1, 1, 2, 3, 5).
Given a positive integer N
, your task is to determine and return all prime numbers less than or equal to N
.
N = 10
2 3 5 7
N = 20
Implement a function to return all prime numbers less than or equal to a given positive integer N.
Create a function that takes a positive integer N as input
Iterate from 2 to N and check if each number is prime
Use a helper function to determine if a number is prime
Return an array of all prime numbers less than or equal to N
A merge join in SQL is a method of combining two sorted datasets by matching corresponding rows based on a specified condition.
Merge join is used when joining two large datasets that are already sorted.
It is more efficient than other join methods like nested loop join or hash join for sorted datasets.
The join condition must be an equality condition.
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.i
Round duration - 30 minutes
Round difficulty - Easy
The round went excellent. I really enjoyed it. Just be confident about whatever you answer
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
This round went well. Interview depends on your basic knowledge of C/C++.
Given two sparse matrices MAT1
and MAT2
of integers with dimensions 'N' x 'M' and 'M' x 'P' respectively, the goal is to determine the resulting matrix produced by their multipl...
Implement a function to multiply two sparse matrices and return the resulting matrix.
Create a function that takes two sparse matrices as input and returns the resulting matrix after multiplication
Iterate through the non-zero elements of the matrices to perform the multiplication efficiently
Handle the edge cases such as empty matrices or matrices with all zero elements
Ensure the dimensions of the matrices are compatible
Tanmay and Rohit are best buddies. Tanmay gives Rohit a challenge involving an array of N natural numbers. The task is to perform and answer a series of queries on the ...
Count the number of even or odd numbers in a range of an array based on given queries.
Create an array to store the input numbers.
Iterate through the queries and update or count even/odd numbers based on the query type.
Output the count of even or odd numbers for each query of type 1 or 2.
Round duration - 30 minutes
Round difficulty - Easy
Typical HR round with behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
posted on 23 Sep 2017
I was interviewed in Sep 2017.
Generic collections provide type safety and reusability in software development.
Generic collections allow us to store and manipulate objects of any type in a type-safe manner.
They provide compile-time type checking, reducing the chances of runtime errors.
They promote code reusability by allowing the same collection to be used with different types.
Generic collections improve performance by eliminating the need for boxin...
based on 5 interviews
1 Interview rounds
based on 34 reviews
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