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I applied via Campus Placement and was interviewed in Jun 2021. There was 1 interview round.
OOPs concepts are the fundamental principles of Object-Oriented Programming.
Abstraction
Encapsulation
Inheritance
Polymorphism
Abstraction is the process of hiding complex implementation details and showing only the necessary information to the user.
Abstraction is achieved through abstract classes and interfaces.
It helps in reducing complexity and improving maintainability.
Example: A car dashboard is an abstraction of the car's internal workings.
Abstraction is a key concept in object-oriented programming.
Access modifiers are keywords in object-oriented programming languages that set the accessibility of classes, methods, and other members.
There are four access modifiers in Java: public, private, protected, and default
Public members are accessible from anywhere in the program
Private members are only accessible within the same class
Protected members are accessible within the same class and its subclasses
Default members a...
Program to append a string at the middle of another string
Find the middle index of the original string
Use string slicing to split the original string into two parts
Concatenate the first part, new string, and second part to form the final string
Query to select sum of salaries department wise
Use GROUP BY clause to group salaries by department
Use SUM() function to calculate the sum of salaries
Join the employee and department tables on department ID
Query to select employee with second highest salary
Use ORDER BY clause to sort salaries in descending order
Use LIMIT 1,1 to select the second highest salary
Join with employee table to get employee details
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I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.
Attended the codevita competition in final year of college.
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
It was a basic aptitude test.
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
- basic programming on C
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