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I applied via Approached by Company and was interviewed before Sep 2023. There was 1 interview round.
A DLL (Dynamic Link Library) is a file containing code and data that can be used by multiple programs at the same time. OOPs (Object-Oriented Programming) concepts include inheritance, polymorphism, encapsulation, and abstraction.
DLL stands for Dynamic Link Library and contains code and data that can be used by multiple programs simultaneously
OOPs concepts include inheritance, polymorphism, encapsulation, and abstracti...
You can use an ArrayList in Java to dynamically change the size of the array without creating a new array.
Use ArrayList
You can add or remove elements from the ArrayList as needed without creating a new array.
Example: ArrayList
Yes, multiple catch blocks can be used with one try block to handle different types of exceptions.
Multiple catch blocks can be used to handle different types of exceptions thrown within the try block.
Each catch block can specify a different type of exception to catch and handle.
The catch blocks are evaluated in order, so the first catch block that matches the thrown exception type will be executed.
If no catch block mat...
Asynchronous and synchronous refer to different methods of executing code in relation to time.
Synchronous code is executed in a sequential order, one task at a time.
Asynchronous code allows multiple tasks to be executed concurrently, without waiting for each other to finish.
Examples of synchronous operations include reading a file line by line, while examples of asynchronous operations include making API calls or handl
I applied via Approached by Company and was interviewed before Dec 2021. There were 3 interview rounds.
They Gave a case study to seeing test skills
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I applied via Referral and was interviewed before Apr 2020. There were 3 interview rounds.
I applied via Walk-in and was interviewed before Sep 2020. There were 4 interview rounds.
I appeared for an interview before Jul 2020.
Yes, Infosys is listed on the Indian stock exchanges as well as on the NYSE.
Infosys is listed on the Bombay Stock Exchange (BSE) and National Stock Exchange of India (NSE)
It is also listed on the New York Stock Exchange (NYSE)
Infosys has a market capitalization of over $80 billion as of 2021
I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed before May 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Sep 2019. There were 5 interview rounds.
OOPs concepts in Java are the fundamental principles of object-oriented programming.
Encapsulation: wrapping data and code into a single unit
Inheritance: creating new classes from existing ones
Polymorphism: using a single interface to represent multiple types
Abstraction: hiding implementation details from the user
Examples: class, object, inheritance, polymorphism, encapsulation
Stack is a LIFO data structure while Queue is a FIFO data structure.
Stack follows Last In First Out (LIFO) principle while Queue follows First In First Out (FIFO) principle.
Stack has two main operations: push and pop while Queue has two main operations: enqueue and dequeue.
Stack is used in recursive function calls, undo/redo operations, and backtracking while Queue is used in breadth-first search, printing tasks in ord...
SQL query to find second highest salary in database
Use ORDER BY and LIMIT to get the second highest salary
Assume ties are allowed and use DISTINCT
Method overloading is having multiple methods with the same name but different parameters. Method overriding is having a method in a subclass with the same name and parameters as a method in its superclass.
Method overloading is done within the same class while method overriding is done in different classes (subclass and superclass).
Method overloading is achieved by changing the number of parameters or the data type of ...
The parent class of all classes in Java is the Object class.
All classes in Java implicitly extend the Object class.
The Object class provides basic methods such as toString(), equals(), and hashCode().
Any class can override these methods to provide custom implementations.
Example: public class MyClass extends Object { ... }
Example: Object obj = new MyClass();
SQL databases are relational and use structured query language, while NoSQL databases are non-relational and use various data models.
SQL databases are based on a fixed schema, while NoSQL databases are schema-less.
SQL databases use tables to store data, while NoSQL databases use various data models like key-value, document, columnar, or graph.
SQL databases are better suited for complex queries and structured data, whil...
I applied via Company Website and was interviewed before Oct 2019. There were 4 interview rounds.
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