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Protex Computer Software Developer Interview Questions, Process, and Tips
Protex Computer Software Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Recruitment Consulltant and was interviewed before Jun 2023. There were 2 interview rounds.
Asked to write java MVC architecture and asked question on it.
(6 Questions)
- Q1. Give collection framework overview. Why should we use list over other collection methodologies?
- Ans.
Collection framework provides interfaces and classes to store and manipulate groups of objects. Lists are preferred for ordered collections.
Lists maintain insertion order and allow duplicates
Lists provide indexed access to elements
Lists are suitable for scenarios where elements need to be accessed by index or need to be inserted/removed frequently
- Q2. Tell me about the JDK. Is Java runs on JDK or any other tool is required? Explain why?
- Ans.
JDK stands for Java Development Kit. Java runs on JDK and no other tool is required.
JDK is a software development kit used for developing Java applications.
It includes tools such as Java compiler, JRE, and other development tools.
Java runs on JDK as it provides all the necessary tools and libraries for compiling, debugging, and running Java programs.
- Q3. Do you know JSP? Explain the lifecycle of JSP?
- Ans.
Yes, JSP stands for JavaServer Pages. It is a technology used to create dynamic web pages.
JSP lifecycle includes translation, compilation, initialization, execution, and destruction phases.
During translation phase, JSP engine generates a servlet from the JSP page.
Compilation phase involves compiling the generated servlet into bytecode.
Initialization phase initializes the servlet, including calling the init() method.
Exe...
- Q4. Do you know struts? How do we use struts with Java?
- Ans.
Struts is a framework used for developing Java web applications.
Struts is a framework that implements the Model-View-Controller (MVC) design pattern.
It provides a set of JSP custom tags to help developers create interactive web applications.
Struts configuration is typically done using XML files.
Struts actions are Java classes that handle requests from the user and interact with the model.
Struts is often used in combina...
- Q5. Do you have any idea of SQL? What is DDL and DML in SQL? Explain with example.
- Ans.
Yes, SQL is a standard language for managing databases. DDL is for defining structure, DML is for manipulating data.
DDL stands for Data Definition Language and is used to define the structure of database objects like tables, indexes, etc.
DML stands for Data Manipulation Language and is used to manipulate data in the database like inserting, updating, deleting records.
Example of DDL: CREATE TABLE Employees (ID INT, Name...
- Q6. What are the different type of joins? Why we use joins and how?
- Ans.
Different types of joins in SQL are inner join, left join, right join, and full outer join.
Inner join: Returns rows when there is at least one match in both tables.
Left join: Returns all rows from the left table and the matched rows from the right table.
Right join: Returns all rows from the right table and the matched rows from the left table.
Full outer join: Returns rows when there is a match in one of the tables.
Join...
Interview Preparation Tips
- Java, SQL
Skills evaluated in this interview
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Interview questions from similar companies
Asking the dp and tree and other
(1 Question)
- Q1. Asking the project based question and
(1 Question)
- Q1. Some question asking base on cultural base and resume based
Selected
I applied via campus placement at Anna University and was interviewed in Apr 2024. There were 3 interview rounds.
(1 Question)
- Q1. It consists of MCQ question related to oops,SQL
General topics were given
(1 Question)
- Q1. The HR was friendly and I was asked to write code for sorting , then about my project
Interview Preparation Tips
Rashmi Lohe
(1 Question)
- Q1. Oops, basic ,SQL ,ado
Curd operation with SQL connectivity
Selected
I applied via Job Fair and was interviewed in Jun 2023. There were 3 interview rounds.
Ms office,Core Java , Tally , C,
In my Opinion,view , If you ask me, As far as I can see/I am Concerned , It seems to me that , I think /feel/reckon/ belive , If you want my option , What we have to decide
Interview Preparation Tips
I applied via campus placement at CDAC, Noida and was interviewed in Jan 2022. There were 4 interview rounds.
Best way to prefer java, core java and most imp spring boot because many of companies required spring boot now a days
(7 Questions)
- Q1. What is java is the basic question for everyone
- Q2. What is difference between path and classpath variables
- Ans.
Path variable is used to locate executable files while classpath variable is used to locate Java classes.
Path variable is used by the operating system to locate executable files.
Classpath variable is used by Java to locate classes and resources.
Path variable is system-specific while classpath variable is Java-specific.
Path variable is set by the user while classpath variable is set by the developer.
Example of path vari...
- Q3. What is enum in java
- Ans.
Enum is a special data type in Java used to define a set of constants.
Enums are used to represent a fixed number of values that do not change.
They are declared using the enum keyword.
Each enum constant is an object of the enum type.
Enums can have constructors, methods, and fields.
Example: enum Color { RED, GREEN, BLUE }
Enums can also have values associated with them, like Color.RED(255, 0, 0).
- Q4. What is 2 phase commit
- Ans.
2 phase commit is a protocol used to ensure distributed transactions are either committed or rolled back.
Used in distributed systems where multiple databases are involved in a transaction
Ensures all databases either commit or rollback the transaction
Involves a coordinator and multiple participants
Coordinator sends a prepare message to participants, who respond with either commit or abort
If all participants respond with...
- Q5. They can ask questions on your project
- Q6. Is java completely object oriented?
- Ans.
Yes, Java is completely object oriented.
Java is designed to be completely object oriented.
All code in Java is written inside classes and objects.
Java supports encapsulation, inheritance, and polymorphism.
Java does have some non-object oriented features like primitive data types.
However, even these can be treated as objects using wrapper classes.
- Q7. What is exception in java?
- Ans.
Exception is an event that occurs during the execution of a program and disrupts the normal flow of instructions.
Exceptions are objects that are thrown at runtime when an abnormal condition occurs
Java provides a set of predefined exceptions that can be used to handle errors
Exceptions can be caught and handled using try-catch blocks
Unchecked exceptions are those that are not checked at compile-time, while checked except
(1 Question)
- Q1. No specific questions they can ask about company only and will talk about package
Interview Preparation Tips
Skills evaluated in this interview
I applied via Job Portal and was interviewed in Mar 2022. There were 2 interview rounds.
2 rounds easy
(3 Questions)
- Q1. Where do you see yourself in 5 years?
- Q2. What are your strengths and weaknesses?
- Q3. Tell me about yourself.
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Aug 2021. There were 5 interview rounds.
Interview Questionnaire
1 Question
- Q1. Programming,verbal vebility,logical learning
Interview Preparation Tips
Interview Questionnaire
3 Questions
- Q1. Tr1- difference between switch case and if else, write the code for sorting
- Ans.
Switch case is used for multiple conditions while if else is for binary conditions. Sorting can be done using various algorithms.
Switch case is faster than if else for multiple conditions
If else is more readable for binary conditions
Sorting can be done using bubble sort, insertion sort, quick sort, etc.
Example code for bubble sort: for(i=0;i
- Q2. Tr2-difference between compiler and interpreter, Solve a challange on their own coding platform with proper output
- Ans.
Difference between compiler and interpreter with a coding challenge
Compiler translates the entire code into machine language before execution while interpreter translates line by line during execution
Compiler generates an executable file while interpreter does not
Compiler is faster but debugging is harder while interpreter is slower but debugging is easier
Coding challenge: Write a program to find the sum of two numbers
- Q3. Oops concept
I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. What is object ?
- Ans.
An object is an instance of a class that encapsulates data and behavior.
Objects have attributes (data) and methods (behavior).
Objects can interact with each other through method calls.
Objects can be created from classes.
Examples of objects include a car, a person, or a bank account.
- Q2. What is multi threading
- Ans.
Multi threading is the ability of a program to perform multiple tasks concurrently.
It allows for better utilization of CPU resources
It can improve program performance and responsiveness
Examples include web servers handling multiple requests simultaneously
It requires careful management of shared resources to avoid race conditions
- Q3. Can we create multiple objects
- Ans.
Yes, we can create multiple objects in programming.
Objects are instances of a class.
We can create multiple objects of the same class.
Each object has its own set of instance variables and methods.
Objects can interact with each other through their methods.
Example: creating multiple instances of a 'Person' class for different people.
- Q4. What are types of encapsulation
- Ans.
Encapsulation types are data, procedural and combination.
Data encapsulation hides data from outside world and provides access through methods.
Procedural encapsulation hides implementation details of a procedure.
Combination encapsulation is a mix of data and procedural encapsulation.
Examples include private variables in a class, access modifiers in Java, etc.
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Software Engineer
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Software Developer
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| ₹1.7 L/yr - ₹6 L/yr |
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Database Admin
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