Wipro Software Web Developer Interview Questions and Answers

Q1. Spring boot details
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1 hr test with mcq and coding snippet

Q1. What are pointers in c?
Ans. 
Pointers are variables that store memory addresses of other variables in C programming language.
• Pointers are used to manipulate data structures like arrays, linked lists, and trees.

• They can be used to pass values by reference to functions.

• Pointers can also be used to allocate memory dynamically using functions like malloc() and calloc().
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Q2. Write a linked list program.
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A linked list program is a data structure that stores a sequence of elements with pointers to the next element.
• Create a Node class with a value and a next pointer

• Create a LinkedList class with a head pointer and methods to add, remove, and traverse nodes

• Example: LinkedList ll = new LinkedList(); ll.add(5); ll.add(10); ll.remove(5);
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Q3. Applications of data structures
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Data structures are used to organize and manipulate data efficiently in various applications.
• Data structures are used in databases to store and retrieve data quickly.

• In computer graphics, data structures are used to represent geometric objects.

• Data structures are used in algorithms such as sorting and searching.

• In networking, data structures are used to represent network packets and routing tables.

• Data structures are u...read more
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Q4. Algorithm for merge sort
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Merge sort is a divide and conquer algorithm that recursively divides the input array into two halves, sorts them and then merges them.
• Divide the array into two halves

• Recursively sort the two halves

• Merge the sorted halves

• Repeat until the entire array is sorted
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Q5. Cloud computing application in real world in project
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Cloud computing is widely used in various industries for data storage, processing, and analysis.
• Cloud computing allows for easy scalability and cost-effectiveness in managing large amounts of data.

• Real-time collaboration and access to data from anywhere are some of the benefits of cloud computing.

• Examples of cloud computing applications in real-world projects include Amazon Web Services (AWS), Microsoft Azure, and Goog...read more
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Q6. Java and nodejs questions
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Q1. Diff between HANA and ECC
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HANA is an in-memory database platform while ECC is a traditional ERP system.
• HANA is designed to handle large amounts of data in real-time while ECC is not optimized for real-time processing.

• HANA uses column-based storage while ECC uses row-based storage.

• HANA has a simpler data model and can handle unstructured data while ECC has a more complex data model.

• HANA is a newer technology while ECC has been around for decades...read more
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Q2. Must know the details of FM's used in devlops
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Java, micro service, spring boot

Q1. Micro service basics
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Q2. Simple Java programming
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Q3. Basic questions of SQL queries
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Q4. Questions from project related
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Q1. SQL and COGNOS related questions were asked.
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Q1. SQL and cognos Related questions were asked.
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Q1. What is the expected CTC and few questions related to notice period and pay details.
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Q1. Selenium,java ,api testing,maven,manual testing
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Easy reasoning questions

Basic coding multiple choice questions

Q1. Wat is exception handling? Store procedure in sql? Indexing? Oops concept?
Ans. 
Exception handling, stored procedures, indexing, and OOP concepts are important in software engineering.
• Exception handling is the process of handling errors that occur during program execution.

• Stored procedures are pre-written SQL code that can be executed with a single command.

• Indexing is the process of optimizing database performance by creating indexes on frequently queried columns.

• OOP concepts include encapsulation
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