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Inheritance is a mechanism in object-oriented programming where a class acquires the properties of another class.
Inheritance allows for code reuse and promotes code organization.
The class that is being inherited from is called the superclass or parent class.
The class that inherits from the superclass is called the subclass or child class.
The subclass can access the public and protected members of the superclass.
Example...
Polymorphism is the ability of an object to take on many forms.
Polymorphism allows objects of different classes to be treated as if they were objects of the same class.
It is achieved through method overriding and method overloading.
Example: A parent class Animal can have child classes like Dog, Cat, and Cow. Each child class can have its own implementation of the method 'makeSound'.
Polymorphism makes code more flexible
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I applied via Naukri.com and was interviewed in May 2024. There were 3 interview rounds.
Generate all permutations of a given number without duplicates
Use backtracking to generate all possible permutations
Avoid duplicates by keeping track of used digits
Recursively swap digits to generate permutations
A min stack is a stack data structure that supports the usual push and pop operations, along with an additional operation to retrieve the minimum element in constant time.
Create a stack to store the elements and another stack to store the minimum values encountered so far.
When pushing an element, check if it is smaller than the current minimum. If so, push it onto the minimum stack.
When popping an element, check if it ...
posted on 3 Jan 2025
I applied via Referral and was interviewed in Jul 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
Developed a web application for online shopping with features like user authentication, product search, and order management.
Implemented user authentication using Spring Security
Utilized Hibernate for database operations
Designed front-end using AngularJS for dynamic user interface
To become a senior Java developer and contribute to innovative projects in a collaborative team environment.
Continue learning new technologies and best practices in Java development
Work on challenging projects to enhance problem-solving skills
Collaborate with team members to share knowledge and improve code quality
I believe my strong Java skills and problem-solving abilities can positively impact the company by improving efficiency and developing innovative solutions.
I have experience in developing efficient and scalable Java applications, which can help streamline processes within the company.
I am skilled in identifying and solving complex technical issues, which can contribute to the overall success of projects.
I am proactive ...
Questions on permuation and combination
I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.
Sir.Sridhar Vembu is the founder and CEO
Yes, Zoho is a foreign company based in India.
Zoho is headquartered in Chennai, India.
It was founded by Sridhar Vembu in 1996.
Zoho has offices in multiple countries including the United States, China, Japan, and Singapore.
Ages, trains, profit losss, hcf lcm, clock, simple interest 30 min
Array string sorting algorithm
I applied via Company Website
Very difficult aptitude questions
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TCS
Infosys
Wipro
HCLTech