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Wipro
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Approximately 20 questions covering quantitative reasoning and English were provided to solve within one hour.
Questions were asked about Java OOP principles, the collection framework, and features introduced in Java 8.
Proficient in C language and Java programming with experience in developing software applications.
Strong understanding of data structures and algorithms in C language
Experience in developing web applications using Java
Knowledge of object-oriented programming principles in Java
Familiarity with Java frameworks like Spring and Hibernate
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
Reverse a string using built-in functions or manually iterating through the characters.
Use StringBuilder's reverse() method to reverse the string.
Iterate through the characters of the string and append them in reverse order to a new string.
Use recursion to reverse the string.
What people are saying about Wipro
I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Aug 2020. There were 4 interview rounds.
A program to replace a character with another character in Java.
Create a string variable with the original text
Use the replace() method to replace the character with another character
Print the new string with the replaced character
I applied via Naukri.com and was interviewed in Oct 2020. There was 1 interview round.
Second level cache is a caching mechanism used to improve performance by storing frequently accessed data in memory.
Second level cache is implemented at the application level and can be configured using frameworks like Hibernate.
To optimize SQL queries, one can use indexes, avoid using SELECT *, and use JOINs instead of subqueries.
SOLID principles are a set of design principles for writing maintainable and scalable cod...
To deploy an application in AWS, you need to create an EC2 instance, configure security groups, install necessary software, and upload your application code.
Create an EC2 instance in the desired region and select the appropriate instance type
Configure security groups to allow traffic to and from the instance
Install necessary software and dependencies on the instance
Upload your application code to the instance
Start the ...
I applied via Company Website and was interviewed before Aug 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2020. There were 4 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Jun 2021. There was 1 interview round.
BigInteger is used for mathematical operations involving very large integers in Java.
BigInteger is used when the range of values supported by primitive data types like int and long is not sufficient.
It is commonly used in cryptography and security applications.
It provides methods for arithmetic, bitwise, and logical operations on large integers.
Example: calculating factorial of a large number, generating large prime nu
Merge Sort Algo code in java
Divide the array into two halves
Recursively sort the two halves
Merge the sorted halves
Time complexity: O(n log n)
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