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Wipro Java Developer Interview Questions, Process, and Tips
Top Wipro Java Developer Interview Questions and Answers
- Q1. Tell me some keywords to make a thread safe program in java ?
- Q2. How to start spring boot application even though a class having error
- Q3. What is the difference between JDK, JRE, and JVM?
Wipro Java Developer Interview Experiences
40 interviews found
Anonymous
Selected
(2 Questions)
- Q1. Previous projects
- Ans.
I have worked on various projects including a web application for a retail company and a mobile app for a fitness tracker.
Developed a web application using Java Spring framework for a retail company to manage inventory and sales.
Created a mobile app using Android Studio and Java for a fitness tracker that tracks user's daily activities and provides workout plans.
Implemented RESTful APIs for communication between front-
- Q2. Spring boot annotations
(2 Questions)
- Q1. Coding round swap two numbers without using third variable
- Ans.
Swap two numbers without using a third variable in Java
Use XOR operation to swap two numbers without using a third variable
Example: int a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // Now a=10, b=5
- Q2. Salary expectations
I applied via Naukri.com
(2 Questions)
- Q1. Circuit breaker pattern
- Q2. Aws S3 access via ECS
(2 Questions)
- Q1. Time Complexity
- Q2. Coding question and SQL queries
kausar Mujawar
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(3 Questions)
- Q1. What is java and why its imp
- Ans.
Java is a high-level programming language known for its portability, security, and versatility.
Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).
It is object-oriented, allowing for modular and reusable code.
Java is widely used in web development, mobile applications, enterprise software, and more.
Its strong security features make it a popular choice for building secure app...
- Q2. What is javascript and c++ and why its imp
- Ans.
JavaScript and C++ are programming languages used for web development and system programming respectively.
JavaScript is a scripting language used for front-end web development.
C++ is a high-level programming language used for system programming and software development.
JavaScript is essential for creating interactive web pages and dynamic content.
C++ is important for developing high-performance applications and operati
- Q3. What is platform independence language
- Ans.
Platform independence language refers to a programming language that can run on any platform without needing to be recompiled.
Java is a platform independence language because it uses the Java Virtual Machine (JVM) to run on any platform.
Platform independence allows Java programs to be written once and run anywhere, saving time and effort for developers.
Other examples of platform independence languages include Python an
Skills evaluated in this interview
What people are saying about Wipro
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(6 Questions)
- Q1. Pillars of OOPS.
- Ans.
Pillars of OOPS are Inheritance, Encapsulation, Abstraction, and Polymorphism.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Abstraction: Hiding the complex implementation details and showing only the necessary features.
Polymorphism: Ability of a method to do different things based on the object it is
- Q2. Exception Vs Error
- Ans.
Exceptions are events that can be handled programmatically, while errors are typically unrecoverable issues.
Exceptions are checked at compile time, while errors are unchecked.
Exceptions are subclasses of Throwable, while errors are subclasses of Error.
Examples of exceptions include NullPointerException, ArrayIndexOutOfBoundsException, while examples of errors include OutOfMemoryError, StackOverflowError.
- Q3. Custom exception
- Q4. Structure of JVM
- Ans.
JVM is the virtual machine that runs Java bytecode, providing platform independence.
JVM stands for Java Virtual Machine
It is responsible for interpreting Java bytecode and executing it on the underlying hardware
JVM has components like Class Loader, Bytecode Verifier, Interpreter, Just-In-Time Compiler, and Garbage Collector
- Q5. Annoatation of Spring REST
- Ans.
Spring REST annotations are used to simplify the development of RESTful web services in Spring framework.
Annotations like @RestController, @RequestMapping, @GetMapping, @PostMapping, @PutMapping, @DeleteMapping are commonly used in Spring REST.
These annotations help in mapping HTTP requests to specific handler methods, defining request mappings, and handling request parameters.
For example, @GetMapping("/users") will ma...
- Q6. Complete Spring MVC Flow .
- Ans.
Spring MVC Flow involves DispatcherServlet, HandlerMapping, Controller, Model, ViewResolver, and View.
Client sends a request to DispatcherServlet.
DispatcherServlet consults HandlerMapping to determine the appropriate Controller.
Controller processes the request, interacts with Model, and returns a logical view name.
DispatcherServlet consults ViewResolver to map the logical view name to an actual View.
View renders the re
Interview Preparation Tips
- Core Java
- Spring Mvc
- Spring Boot
- Restful
- Spring Rest
- OOPS
Skills evaluated in this interview
Wipro interview questions for designations
Selected
It was Quite good and simple
(2 Questions)
- Q1. Difference between primary and unique key
- Ans.
Primary key uniquely identifies each record in a table, while unique key ensures that all values in a column are different.
Primary key does not allow NULL values, while unique key allows one NULL value.
A table can have only one primary key, but multiple unique keys.
Primary key is automatically indexed, while unique key is not.
Example: Primary key for a table of students could be student_id, while unique key could be em
- Q2. What are Threads?
- Ans.
Threads are lightweight processes within a program that can run concurrently, allowing for multitasking and improved performance.
Threads allow multiple tasks to be executed simultaneously within a single program
Threads share the same memory space, allowing for efficient communication and data sharing
Examples include a web server handling multiple client requests concurrently, or a video game running animations and user
Skills evaluated in this interview
Get interview-ready with Top Wipro Interview Questions
I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Oops concept and collections
- Q2. MySql and springBoot
Interview Preparation Tips
Java Developer Jobs at Wipro
(2 Questions)
- Q1. Core Java Concepts
- Q2. Spring Concepts
Deepak Chaurasia
(1 Question)
- Q1. Oops concepts and Multi threading
(1 Question)
- Q1. Notice period and basic HR questions
Selected
I applied via Campus Placement and was interviewed in Sep 2023. There were 4 interview rounds.
TCS nqt test is 1st round quantitative aptitude
Nqt TCS coding test is applying
(5 Questions)
- Q1. Who is the father of java ?
- Ans.
James Gosling is considered the father of Java programming language.
James Gosling, a Canadian computer scientist, is credited with creating the Java programming language in the early 1990s.
He developed Java while working at Sun Microsystems, now owned by Oracle.
Java was officially released by Sun Microsystems in 1995 and has since become one of the most popular programming languages in the world.
- Q2. Explain Jdk, jre?
- Ans.
JDK stands for Java Development Kit, which is a software development kit used for developing Java applications. JRE stands for Java Runtime Environment, which is required to run Java applications.
JDK includes JRE along with development tools such as compiler, debugger, etc.
JRE includes JVM (Java Virtual Machine) and libraries necessary for running Java applications.
Developers use JDK to write, compile, and debug Java p...
- Q3. What is JIT compiler?
- Ans.
JIT compiler stands for Just-In-Time compiler, which compiles Java bytecode into native machine code at runtime for improved performance.
JIT compiler is part of the Java Virtual Machine (JVM) and helps in optimizing the performance of Java applications.
It compiles Java bytecode into native machine code on-the-fly, right before executing it.
JIT compiler identifies hot spots in the code (frequently executed portions) and...
- Q4. What do you understand by Java virtual machine?
- Ans.
Java virtual machine (JVM) is a virtual machine that enables a computer to run Java programs.
JVM is an abstract machine that provides a runtime environment for Java bytecode to be executed.
It is responsible for converting Java bytecode into machine code that can be understood by the computer's operating system.
JVM is platform-independent, allowing Java programs to run on any device or operating system that has a JVM im...
- Q5. What is the difference between JDK, JRE, and JVM?
- Ans.
JDK is a development kit, JRE is a runtime environment, and JVM is a virtual machine for running Java programs.
JDK (Java Development Kit) is a software development kit used for developing Java applications. It includes JRE, compiler, debugger, and other tools.
JRE (Java Runtime Environment) is a software package that provides the libraries, Java Virtual Machine (JVM), and other components necessary for running Java appl...
Interview Preparation Tips
- Core Java
- Javascript
- Java
Skills evaluated in this interview
I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
Series, English ,profit & loss
Interview Preparation Tips
Wipro Interview FAQs
The duration of Wipro Java Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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Wipro Java Developer Interview Process
based on 41 interviews
4 Interview rounds
- Technical Round
- Aptitude Test Round
- HR Round - 1
- HR Round - 2
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Wipro Java Developer Reviews and Ratings
based on 117 reviews
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