100+ fresher Interview Questions and Answers

Syntax for while loop and for loop

• For loop: for(initialization; condition; increment/decrement){ //code block }

• While loop: while(condition){ //code block }

• Example: for(int i=0; i<5; i++){ cout<

• Example: int i=0; while(i<5){ cout<

A bank is a financial institution that accepts deposits from the public and creates credit.

• Banks provide various financial services such as loans, credit cards, and savings accounts.

• They also offer investment services like mutual funds and stocks.

• Banks make money by charging interest on loans and by investing the deposits they receive.

• Examples of banks include JPMorgan Chase, Bank of America, and Wells Fargo.

Herodotus is considered the father of history.

• Herodotus was a Greek historian who lived in the 5th century BC.

• He wrote 'The Histories', which is considered the first work of history in Western literature.

• He traveled extensively and collected information from various sources to write his book.

• Herodotus is known for his detailed and descriptive writing style.

• His work has had a significant impact on the development of historical writing.

A program to check if a given number is prime or not.

• Take input from user

• Check if the number is less than 2, then it is not a prime number

• Loop through numbers from 2 to n-1 and check if n is divisible by any of them

• If n is divisible by any number, then it is not a prime number

• If n is not divisible by any number, then it is a prime number

Drop, delete, and truncate are SQL commands used to remove data from a table, but they differ in their functionality and implications.

• DROP command is used to remove a table or database from the database schema. It deletes the table definition and all its data.

• DELETE command is used to remove specific rows from a table based on a condition. It does not delete the table structure.

• TRUNCATE command is used to remove all rows from a table, but it does not delete the table structur...read more

Pointer is a variable that stores the memory address of another variable in C programming language.

• Pointers are used to manipulate data structures like arrays, linked lists, and trees.

• They can be used to pass values by reference to functions.

• Pointer arithmetic can be performed to access elements of an array.

• Example: int *ptr; ptr = # printf("%d", *ptr);

• Example: void swap(int *a, int *b) { int temp = *a; *a = *b; *b = temp; }

• Example: int arr[5] = {1, 2, 3, 4, 5}; int *ptr = ar...read more

Credit is a financial term that refers to the ability of a borrower to obtain goods or services before payment, based on trust.

• Credit is a form of borrowing money or obtaining goods or services with the promise to pay for them in the future.

• It is based on trust and the belief that the borrower will fulfill their payment obligations.

• Credit can be provided by banks, financial institutions, or individual lenders.

• Examples of credit include credit cards, loans, mortgages, and line...read more

HRM is the process of managing human resources to achieve organizational goals.

• HRM involves recruitment, selection, training, and development of employees.

• It also includes performance management, compensation, and benefits administration.

• HRM aims to create a positive work environment and ensure employee satisfaction.

• Effective HRM can lead to increased productivity and profitability for the organization.

• Examples of HRM practices include job analysis, job design, and succession...read more

String is immutable in Java to ensure security, thread safety, and optimization.

• Immutable strings prevent accidental modification of data.

• String pooling reduces memory usage by reusing common strings.

• Immutable strings are thread-safe, avoiding synchronization issues.

• String immutability allows for efficient caching and optimization.

• Security is enhanced as immutable strings cannot be modified by malicious code.

Different types of welding include MIG, TIG, stick, flux-cored, and oxy-acetylene welding.

• MIG welding (Metal Inert Gas) uses a wire electrode and shielding gas to join metal pieces together.

• TIG welding (Tungsten Inert Gas) uses a tungsten electrode and inert gas to create a strong weld.

• Stick welding (Shielded Metal Arc Welding) uses a flux-coated electrode to create a weld.

• Flux-cored welding uses a tubular wire electrode with flux inside to shield the weld.

• Oxy-acetylene weldi...read more

A savings account is a type of bank account where you can deposit and withdraw money while earning interest on the balance.

• Savings accounts are typically used for short-term savings goals

• They usually offer lower interest rates than other types of accounts

• Some savings accounts may have minimum balance requirements or fees

• Interest earned on savings accounts is usually taxable

• Examples of savings accounts include high-yield savings accounts and money market accounts

Java is a high-level programming language used for developing applications and software.

• Java is object-oriented and platform-independent.

• It is used for developing web, mobile, and desktop applications.

• Java code is compiled into bytecode and executed on a Java Virtual Machine (JVM).

• Java has a vast library of pre-built classes and APIs.

• Popular frameworks and tools for Java development include Spring, Hibernate, and Maven.

OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.

• OOPS is based on four main concepts: encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation is the process of hiding the implementation details of an object from the outside world.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects of different classes to be treated as if they were of the same...read more

Collections refer to the process of gathering and organizing items or objects into a group.

• Collections can include items such as books, art, antiques, coins, stamps, etc.

• People often collect items based on personal interest, hobby, or investment purposes.

• Collections can be displayed in museums, galleries, private homes, or online platforms.

• Some famous collections include the British Museum in London, the Louvre in Paris, and the Smithsonian in Washington, D.C.

Boiling point is the temperature where a liquid turns to gas, while melting point is where a solid turns to liquid.

• Boiling Point: Temperature at which a liquid's vapor pressure equals atmospheric pressure.

• Melting Point: Temperature at which a solid becomes a liquid.

• Example of Boiling Point: Water boils at 100°C (212°F) at sea level.

• Example of Melting Point: Ice melts at 0°C (32°F).

• Boiling point varies with pressure; higher pressure raises boiling point.

• Melting point is genera...read more

A call center is a centralized office where customer service representatives handle incoming and outgoing calls. BPO stands for Business Process Outsourcing, which involves outsourcing non-core business functions to a third-party provider.

• Call centers are used by companies to handle customer inquiries, complaints, and support.

• BPO companies provide a range of services such as customer support, technical support, data entry, and back-office operations.

• Call centers and BPOs are ...read more

Stop loss treaty is a reinsurance agreement where the reinsurer agrees to cover losses above a certain threshold for the ceding company.

• Stop loss treaty is a type of reinsurance agreement.

• It sets a specific threshold for losses that the ceding company will cover on its own.

• The reinsurer agrees to cover losses above this threshold.

• It helps the ceding company limit its exposure to large losses.

• Example: If a ceding company has a stop loss treaty with a threshold of $1 million, t...read more

Credit control is the process of managing the credit extended to customers and ensuring timely payment.

• Credit control involves setting credit limits for customers based on their creditworthiness.

• It also includes monitoring customer payments and following up on overdue invoices.

• Credit control aims to minimize the risk of bad debts and improve cash flow for the company.

• Examples of credit control measures include sending payment reminders, imposing late fees, and restricting fur...read more

Code to reverse a string

• Use a loop to iterate through the string

• Create a new string and add characters from original string in reverse order

• Return the reversed string

Encapsulation is the process of hiding implementation details while abstraction is the process of hiding unnecessary details.

• Encapsulation is achieved through access modifiers like public, private, and protected.

• Abstraction is achieved through abstract classes and interfaces.

• Encapsulation protects the data from outside interference while abstraction focuses on the essential features of an object.

• Example of encapsulation: A class with private variables and public methods to ac...read more

Banking refers to the business of accepting deposits and lending money.

• Banking involves financial transactions such as deposits, withdrawals, and loans.

• Banks provide various services such as savings accounts, checking accounts, credit cards, and mortgages.

• Banks also offer investment services such as mutual funds, stocks, and bonds.

• Banking is regulated by government agencies to ensure safety and stability of the financial system.

• Examples of banks include JPMorgan Chase, Bank o...read more

Insurance is a financial protection plan that provides coverage against potential losses or damages.

• Insurance involves a contract between the insurer and the insured party.

• The insured pays a premium to the insurer in exchange for coverage against specified risks.

• Common types of insurance include health, life, auto, home, and travel insurance.

• Insurance helps individuals and businesses manage risks and protect themselves financially.

• Examples of insurance companies include State...read more

Compilation process in C programming involves preprocessing, compiling, assembling, and linking.

• Preprocessing: Includes inclusion of header files and macro expansions.

• Compiling: Translates source code into assembly code.

• Assembling: Converts assembly code into machine code.

• Linking: Combines object files and libraries to create an executable.

Our company has a hierarchical structure with clear levels of authority and responsibility.

• Our company has a CEO who oversees all operations

• There are several departments such as HR, Finance, Marketing, etc.

• Each department has a head who reports to the CEO

• There are managers and supervisors who oversee teams within each department

• Employees report to their respective managers or supervisors

Count the repetition of letters in a string

• Iterate through the string and count the occurrences of each letter

• Store the counts in a dictionary or array

• Return the counts for each letter

I bring a strong work ethic, adaptability, and a passion for learning, which will contribute positively to your team.

• Strong work ethic: I consistently meet deadlines and strive for excellence in every task.

• Adaptability: I quickly adjust to new environments and challenges, as demonstrated during my internship where I learned new software in a week.

• Passion for learning: I actively seek out opportunities for professional development, such as online courses in my field.

• Team playe...read more

In five years, I envision myself as a skilled professional, contributing significantly to my field and leading projects with confidence.

• I aim to have advanced my skills through continuous learning and certifications, such as obtaining a relevant industry certification.

• I see myself taking on leadership roles, perhaps managing a small team or leading projects that drive innovation.

• I hope to contribute to impactful projects, like developing solutions that improve efficiency or e...read more