Calsoft Development Engineer Interview Questions and Answers

Q1. Java Oops in detail
Ans. 
Java Oops is a programming concept that focuses on objects and classes to create reusable code.
• Encapsulation: bundling data and methods that operate on the data into a single unit

• Inheritance: allows a class to inherit properties and behavior from another class

• Polymorphism: ability of a method to do different things based on the object it is acting upon
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Q2. Inheritance in detail in Java
Ans. 
Inheritance in Java allows a class to inherit properties and behavior from another class.
• Inheritance is achieved using the 'extends' keyword in Java.

• Subclass inherits all non-private fields and methods from superclass.

• Subclass can override superclass methods to provide specific implementation.

• Superclass can be abstract, preventing instantiation of the class.

• Example: class Dog extends Animal { ... }
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Q1. Java Interview Questions
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Q1. Java questions based on experience
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The aptitude test was conducted on hacker rank. It had 2 sections
1. CS fundamentals and Logical Reasoning
2. Coding questions

Q1. In the interview, the following questions were asked. Tell me about yourself Questions on projects and Internships Questions on OOPs concepts and data structure algorithms. Basic SQL queries
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Q1. The HR round lasted for 15-20 minutes. Why should we hire you. Family background What will you bring to the company?
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