Given an array of size N containing numbers from 0 to (N-2), find and return the duplicate number. Iterate through the array and keep track of the frequency of each number using a hashmap. Return the number with a frequency of 2.

The task is to find the second largest element in an array of integers. Iterate through the array and keep track of the largest and second largest elements. Initialize the largest and second largest variables with the first two elements of the array. Compare each element with the largest and second largest variables and update them accordingly. Return the second largest element at the end. Handle the case where no second largest element exists.

FDS stands for Functional Design Specification, a document that outlines the functional requirements of a system. FDS is created by functional consultants to define the business requirements of a system It includes details on the system's functionality, data flow, and user interface FDS serves as a blueprint for developers to build the system according to the business requirements Example of FDS requirement: The system should allow users to create purchase orders and track t...

Iterative Waterfall model was introduced to address the limitations of the traditional Waterfall model. Iterative Waterfall model allows for feedback and changes during the development process. It breaks down the development process into smaller, more manageable stages. It reduces the risk of project failure by identifying and addressing issues early on. It allows for better collaboration between developers and stakeholders. Examples include Rational Unified Process (RUP) an...

System Engineer interview questions covering tech stacks, Java, Spring, Hibernate, REST, and API security. Tech stacks include Java, Spring, Hibernate, REST, and API security. Class loader loads classes into JVM at runtime. Auto Configuration automatically configures Spring beans based on classpath and other conditions. An object is an instance of a class that has state and behavior. Exceptions in Spring can be handled using try-catch blocks or using @ExceptionHandler annota...

Developing a real-time chat application with high scalability and low latency. Designing a distributed architecture to handle a large number of concurrent users. Implementing efficient data synchronization between multiple servers. Optimizing network communication to minimize latency. Ensuring data consistency and reliability in a distributed environment.

To display multiple screens in one layout, use the SAP Screen Painter tool and create a custom screen with multiple subscreens. Create a custom screen using the SAP Screen Painter tool Add multiple subscreens to the custom screen Define the layout of each subscreen using the Screen Painter Use the PBO (Process Before Output) module to display the subscreens in the desired layout Use the PAI (Process After Input) module to handle user input from the subscreens

Constructor is used to initialize an object. It is called when an object is created. Constructor is a special method with the same name as the class. It is used to initialize the instance variables of a class. It is called automatically when an object is created using the new keyword. Constructors can be overloaded to provide different ways of initializing objects. Example: public class Employee { public Employee() { // constructor code } }

Find minimum number of * or # to make a string valid with equal number of * and #. Count the number of * and # in the string. Find the absolute difference between the counts. Return the difference as the minimum number of characters to add. If the counts are already equal, return 0.

P2P cycle is the process of procuring goods or services from a vendor and paying for them. The cycle starts with creating a purchase requisition The purchase requisition is then converted into a purchase order Goods or services are received and inspected Invoice is received and matched with the purchase order and goods receipt Payment is made to the vendor The cycle ends with closing the purchase order

There are three types of work processes in SAP: Dialog, Background, and Update. Dialog work processes are used for executing user transactions interactively. Background work processes are used for executing non-interactive tasks like batch jobs. Update work processes are used for updating the database. Each type of work process has its own specific role and function within the SAP system.

Given N gold wires with lengths, find minimum cost to assemble all wires into a single wire. Only two adjacent small wires can be assembled at a time Cost of forming is the sum of their length Use dynamic programming to find minimum cost Example: N=4, lengths=[2,3,4,5], minimum cost=29

As a product manager, I would approach selling a product by identifying the target audience, creating a unique value proposition, and utilizing various marketing channels. Identify the target audience and their needs Create a unique value proposition that addresses those needs Utilize various marketing channels such as social media, email marketing, and advertising to reach the target audience Provide product demos or trials to potential customers Collect feedback and make n...

Social media is a platform for online communication and networking where users can share content, interact with each other, and build communities. Social media refers to websites and applications that allow users to create and share content, as well as connect with others. It is called social media because it facilitates social interaction and communication through digital means. Examples of social media platforms include Facebook, Twitter, Instagram, LinkedIn, and YouTube. ...

Software is a collection of data, programs, procedures, instructions, and documentation that perform tasks on a computer system. Software is essential for computers to be useful. It includes programs, libraries, and non-executable data. Software and hardware work together to enable modern computing systems. Examples of software include operating systems, web browsers, and games.

A procedure in PL/SQL is a named block of code that can be called and executed multiple times. Syntax: CREATE [OR REPLACE] PROCEDURE procedure_name [(parameter1 [mode1] datatype1 [, parameter2 [mode2] datatype2]...)] IS Difference between procedure and function: Procedures do not return a value, while functions return a value. Procedures are used to perform an action, while functions are used to calculate and return a value. Procedures can have OUT or IN OUT parameters to pa...

Explaining differences between abstract class and interface, throw and throws, and why we use throws. Also, why String is immutable. Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods. A class can implement multiple interfaces, but can only extend one abstract class. Throw is used to explicitly throw an exception, while throws is used to declare the exceptions that a method may throw. We use throws to inform the cal...

Program for Fibonacci series for n terms with user input. Take user input for n Initialize variables for first two terms of Fibonacci series Use a loop to generate the series up to n terms Print the series

Temp table is a table created temporarily in memory. Temp variable is a variable that holds temporary data. Temp table is used to store data temporarily during a session Temp variable is used to hold temporary data that is not needed after a certain point Temp table and variable are created using the 'CREATE GLOBAL TEMPORARY' and 'DECLARE' statements respectively Example: CREATE GLOBAL TEMPORARY TABLE temp_table (id NUMBER, name VARCHAR2(50)); Example: DECLARE temp_var VARCH...

Questions related to Scrum methodology and agile practices. Scrum ceremonies include daily stand-up, sprint planning, sprint review, and sprint retrospective. Verification and validation (V&V) should be included in sprint planning. Scrum and Kanban differ in terms of roles, ceremonies, and visualization techniques. Scrum planning estimation techniques include planning poker, t-shirt sizing, and affinity mapping. Product backlog contains all the user stories while sprint back...

I stay up to date with emerging technologies and programming languages through various methods. I regularly read tech blogs and news websites to stay informed about the latest trends and advancements. I participate in online forums and communities where developers discuss new technologies and share their experiences. I attend conferences, workshops, and webinars to learn from industry experts and network with other professionals. I take online courses and tutorials to enhanc...

Cut the cake horizontally twice and then vertically once. Cut the cake horizontally into two equal halves. Stack the two halves and cut horizontally again to get four equal pieces. Finally, cut vertically through the center to get eight equal pieces.

Vendor account group determines the fields that are mandatory for a vendor master record. Vendor account group is used to group vendors based on certain criteria such as payment terms, delivery time, etc. It determines the fields that are mandatory for a vendor master record. It also determines the number range for vendor account codes. For example, a vendor account group can be created for domestic vendors and another for international vendors. Each vendor account group can...

Interview questions for a PySpark Developer Explained current project and its implementation Differentiated between managed and external table Described Spark architecture and RDD Discussed characteristics of RDD and lazy nature Provided insert statement for managed and external table Explained deployment related to code in PySpark Answered Python related questions Explained how to convince manager/scrum master for code changes Discussed team size and management

The question is about handling scrollbar and mouse activities in automation testing. To handle scrollbar, you can use methods like scrollIntoView(), scrollTo(), or Actions class in Selenium. To handle mouse activities, you can use Actions class in Selenium to perform actions like click, double click, drag and drop, etc. Jenkins is a popular continuous integration and delivery tool, while GitHub is a web-based version control system. Story Point is a unit of measure used in A...

A database management system (DBMS) is a software that manages and organizes databases. Primary key uniquely identifies a record, while foreign key establishes a relationship between tables. A DBMS is a software that allows users to create, manage, and manipulate databases. It provides tools for creating, modifying, and deleting databases, tables, and records. Primary key is a unique identifier for a record in a table. Foreign key establishes a relationship between two table...

SAP CO is a module for controlling and managing costs in an organization. Personal and nominal accounts are used in financial accounting. GST is a tax system. P2P cycle is a procurement process. Asset accounting is for managing fixed assets. SAP CO is used for cost controlling and management Personal accounts are used for individuals and nominal accounts are used for expenses and revenues GST is a tax system used in India and other countries P2P cycle is a procurement proces...

Procedural programming focuses on procedures and functions, while OOP emphasizes objects and classes. Procedural programming uses a top-down approach, while OOP uses a bottom-up approach. In procedural programming, data and functions are separate, while in OOP, they are encapsulated within objects. Procedural programming is more suitable for small-scale programs, while OOP is better for large-scale projects. C is a procedural programming language, lacking the features of OOP...

Singleton class is a class that can only have one instance at a time. It is used to ensure that there is only one instance of a class in the system. It is often used in situations where a single object needs to coordinate actions across the system. Example: Database connection class, logger class, configuration class. It can be implemented using private constructors, static methods, and static variables.

A constructor is a special method used to initialize an object, while a method is a function that performs a specific task. Constructors are called automatically when an object is created, while methods need to be called explicitly. Constructors have the same name as the class, while methods can have any valid name. Constructors do not have a return type, while methods can have a return type. Constructors are used to set initial values of instance variables, while methods ar...

I would use Adobe Illustrator to design a logo because it offers a wide range of tools and features specifically designed for logo creation. Adobe Illustrator is a professional vector graphics editor widely used in the design industry. It provides precise control over shapes, colors, and typography, allowing for the creation of scalable and high-quality logos. Illustrator offers a variety of tools like the Pen Tool, Shape Builder, and Pathfinder that are essential for logo d...

Enhancement framework is a tool to modify standard SAP applications without changing the original code. Enhancement framework provides a way to add custom code to standard SAP applications. Customer exits are predefined hooks in the standard code that allow custom code to be added. Badis are similar to customer exits but provide more flexibility and can be implemented multiple times. Enhancement framework is used to avoid modifying standard code and to make upgrades easier. ...

The annotation used to display text element in CDS is @Semantics.text The @Semantics.text annotation is used to display text elements in CDS views It is used in combination with the element name and the label for the text Example: @Semantics.text.label: 'Product Description'; The label can be customized to display any desired text

The functions used in the code are calculateSum, displayResult, and validateInput. calculateSum - calculates the sum of two numbers displayResult - displays the result of the calculation validateInput - checks the validity of user input

Support package is a collection of updates and fixes, kernel is the core of the SAP system, and SAP note is a correction instruction. Support package: Collection of updates and fixes for SAP system. Kernel: Core component of the SAP system responsible for communication between the operating system and SAP applications. SAP note: Correction instruction provided by SAP to fix specific issues or bugs in the system. Example: Support package upgrade can include bug fixes and new ...

The method called in backend to handle deep entity call is GET_DEEP_ENTITY. GET_DEEP_ENTITY method is used to retrieve a deep entity from the backend system. It is used to retrieve a single entity with its related entities in one request. It is called when a deep entity is requested in OData service. It is used to retrieve data from multiple tables in one request.

Bought a pen for 50rs and sold it for 60rs. What is the percentage of profit or loss? Profit = Selling Price - Cost Price Profit = 60 - 50 = 10 Profit Percentage = (Profit / Cost Price) * 100 Profit Percentage = (10 / 50) * 100 = 20% Therefore, the percentage of profit is 20%

Table function in CDS is a reusable database function that can be used to define complex logic and calculations. Table function is defined in CDS (Core Data Services) using the @EndUserFunction annotation. It allows you to define complex logic and calculations that can be used in CDS views or ABAP programs. Table functions can have input parameters and return a table of data as the result. They can be used to perform data transformations, aggregations, filtering, and more. A...

Abstract class is a class that cannot be instantiated. Interface is a collection of abstract methods. Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods. Abstract class can have instance variables, while interface cannot. A class can implement multiple interfaces, but can only inherit from one abstract class. Example of abstract class: Animal (cannot be instantiated). Example of interface: Runnable (collection of ab...

Modeling an upsetting operation involves understanding process parameters and their relationships. Upsetting is a metal forming process that involves compressing a metal workpiece to reduce its length and increase its diameter. Process parameters include temperature, pressure, and deformation rate. Temperature affects the material's flow stress and ductility, while pressure and deformation rate affect the material's strain hardening behavior. The relationship between these p...

Protocols are a set of rules that govern the communication between devices or systems. Protocols define the format, timing, sequencing, and error checking of messages exchanged between devices. Different types of protocols include network protocols (TCP/IP, HTTP, FTP), communication protocols (RS-232, USB, Bluetooth), and application protocols (SMTP, POP3, IMAP). Network protocols govern the communication between devices on a network, while communication protocols govern the...

You can load multiple tables at a time using Azure Data Factory by creating a single pipeline with multiple copy activities. Create a pipeline in Azure Data Factory Add multiple copy activities to the pipeline, each copy activity for loading data from one table Configure each copy activity to load data from a different table Run the pipeline to load data from all tables simultaneously

Partner profile in Idocs is used to define communication partners and their settings. Partner profile contains information about the communication partner such as their ID, address, and communication protocol Partner profile is used to determine the outbound and inbound processing of Idocs To create a custom Idoc, define the segments and fields using WE31 transaction Create a message type using WE81 transaction and link it to the Idoc type Create a process code using WE42 tr...

Capital transactions involve long-term investments while revenue transactions involve short-term gains. Capital transactions involve the purchase or sale of long-term assets such as property, plant, and equipment. Revenue transactions involve the sale of goods or services in the normal course of business. Capital transactions affect the balance sheet while revenue transactions affect the income statement. Examples of capital transactions include the purchase of a building or...