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I applied via Referral and was interviewed in Apr 2021. There were 3 interview rounds.
Encapsulation and Inheritance are two important OOPs concepts.
Encapsulation is the process of binding data and functions that manipulate that data together in a single unit, called a class.
Inheritance is the process of creating a new class by inheriting properties and methods from an existing class.
Encapsulation helps in data hiding and abstraction, which makes the code more secure and easy to maintain.
Inheritance help...
An object is an instance of a class. A class is a blueprint or template for creating objects.
A class defines the properties and behaviors of objects
An object is created from a class using the 'new' keyword
Multiple objects can be created from a single class
Classes can inherit properties and behaviors from other classes
Example: Class - Car, Object - Honda Civic
Checked exceptions are checked at compile-time while unchecked exceptions are not.
Checked exceptions are those that are checked at compile-time and must be handled or declared in the method signature.
Unchecked exceptions are those that are not checked at compile-time and do not need to be handled or declared in the method signature.
Examples of checked exceptions include IOException, ClassNotFoundException, and SQLExcep...
try-catch-finally is used for handling exceptions in code.
try block contains the code that may throw an exception
catch block catches the exception thrown by try block
finally block contains code that will be executed regardless of exception
Multiple catch blocks can be used for handling different types of exceptions
String buffer is synchronized and thread-safe while string builder is not.
String buffer is slower than string builder due to synchronization.
String builder is faster but not thread-safe.
String buffer is preferred for multi-threaded applications.
String builder is preferred for single-threaded applications.
Both classes are used for manipulating strings efficiently.
Final keyword is used to declare a constant value that cannot be changed.
Final keyword can be used with variables, methods, and classes.
Final variables must be initialized at the time of declaration or in constructor.
Final methods cannot be overridden by subclasses.
Final classes cannot be extended by other classes.
Final keyword is also used in try-with-resources statement to declare resources that should be closed afte
ArrayList is a dynamic data structure while Array is a static data structure.
ArrayList can grow or shrink dynamically while Array has a fixed size.
ArrayList can store objects of any type while Array can only store elements of the same data type.
ArrayList provides built-in methods for insertion, deletion, and searching while Array does not.
Example: ArrayList
E...
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 Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
It was a basic aptitude test.
I applied via Newspaper Ad and was interviewed before Jun 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jun 2021. There were 2 interview rounds.
English is the main focussed part
I applied via Company Website and was interviewed before Apr 2021. There were 2 interview rounds.
It's totally based on Basic understanding of concepts such as Linear arrangement, circular arrangement، blood relation, direction sense, ratio proportion, time, speed, distance
I applied via Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.
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