National Career Service Software Developer Interview Questions and Answers

Q1. What is OOPs concept in java?
Ans. 
OOPs concept in Java is a programming paradigm that focuses on objects and their interactions.
• OOPs stands for Object-Oriented Programming

• It emphasizes on encapsulation, inheritance, and polymorphism

• Encapsulation is the process of hiding implementation details from the user

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

• Polymorphism allows objects to take on multiple forms or behaviors

• Exam...read more
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Q2. What is string toknizer in java ?
Ans. 
StringTokenizer is a class in Java that breaks a string into tokens based on a delimiter.
• It is a legacy class that is not recommended to use in new code.

• It is used to split a string into smaller parts based on a delimiter.

• The default delimiter is whitespace, but it can be changed to any character or string.

• It is useful for parsing text files or data that is separated by a specific character.

• Example: StringTokenizer st ...read more
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Q1. Which technologies you are comfortable ?
Ans. 
I am comfortable with a wide range of technologies including Java, Python, JavaScript, and SQL.
• Proficient in Java and Python programming languages

• Familiar with JavaScript and its frameworks such as React and Angular

• Experienced in working with SQL databases

• Comfortable with version control systems like Git

• Knowledgeable in software development methodologies like Agile and Scrum
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Q1. One round interview in project
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Reverse the string, Reverse of an array, Data base related queries

Q1. Perform some basics logic
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Q2. Do SQL query and c#
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Q1. Basic details of required skillset
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To create a web page

Q1. Work experience
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Q2. Expected salary
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Q3. Domain knowledge
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Q4. About Notice period
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Q1. How to handle cyber threads in web application
Ans. 
Cyber threats in web applications can be handled by implementing security measures such as encryption, firewalls, and regular security audits.
• Implement strong encryption protocols to protect data in transit and at rest

• Use firewalls to monitor and control incoming and outgoing traffic

• Regularly conduct security audits and penetration testing to identify vulnerabilities

• Implement secure coding practices to prevent common s...read more
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