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I appeared for an interview in Jul 2024.
A test case in software testing is a set of conditions or variables under which a tester will determine whether a system under test is working correctly or not.
A test case includes preconditions, inputs, expected outcomes, and postconditions.
It helps in identifying defects or errors in the software.
Examples of test cases include verifying login functionality, checking data validation, and testing performance under load...
I applied via Referral and was interviewed in Apr 2023. There were 2 interview rounds.
To find the third highest salary in emp table, we need to use the ORDER BY and LIMIT clauses.
Use ORDER BY to sort the salaries in descending order.
Use LIMIT to select the third highest salary.
Example query: SELECT salary FROM emp ORDER BY salary DESC LIMIT 2,1
Join is used to combine rows from two or more tables based on a related column between them.
Join is used to retrieve data from multiple tables in a single query.
There are different types of joins like inner join, left join, right join, and full outer join.
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;
I applied via Walk-in and was interviewed before May 2023. There were 2 interview rounds.
60 min, aptitude, coding mcq
Design patterns are reusable solutions to common problems in software design.
Design patterns help in creating maintainable and scalable code.
Examples include Singleton, Factory, Observer, and Strategy patterns.
Each design pattern has a specific purpose and can be applied in different scenarios.
CredenTek Software & Consultancy interview questions for popular designations
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I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
Basic java questions
Linked list is a data structure where each element points to the next element. Stack is a data structure that follows Last In First Out (LIFO) principle.
Linked list implementation involves creating nodes with data and a pointer to the next node.
Stack implementation involves pushing elements onto the stack and popping them off in reverse order.
Example: Linked list - 1 -> 2 -> 3 -> NULL, Stack - push(1), push(2), push(3)
Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
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.
Polymorphism: Ability of a method to do different things based on the object it is acting upon.
Abstraction: Hiding the imp...
Covers basics aps around 15 question
DSA based questions from leetcode easy and medium
Basic aptitude and coding problems were asked
System design and advanced algorithms were asked
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