Virtusa Consulting Services Software Developer Interview Questions, Process, and Tips

Q1. Valid parentheses, Java streams
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Q2. CoreJava, Super, finally key word
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Q1. Java streams, Comparator
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Q1. Explain about Hoisting in javascript
Ans. 
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope.
• Variable declarations are hoisted to the top of their scope but not their assignments.

• Function declarations are fully hoisted, meaning they can be called before they are declared.

• Hoisting can lead to unexpected behavior if not understood properly.
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Given java code from array and string mainly

Q1. Tell me about Object class in Java
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Object class is the root class for all Java classes, providing common methods and behaviors for all objects.
• Object class is at the top of the class hierarchy in Java

• All classes in Java are directly or indirectly derived from the Object class

• Object class provides methods like equals(), hashCode(), toString() which can be overridden in subclasses
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Q2. String Class
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Q3. Overloading & Overriding
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Easy aptitude questions with minimum tough

2 rounds of coding.. one is normal coding another is super coding

Q1. What is polymorphism,buzz words of java
Ans. 
Polymorphism is the ability of an object to take on many forms.
• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• It is achieved through method overloading and method overriding.

• Example: A parent class Animal can have child classes like Dog, Cat, and Bird. Each child class can have its own implementation of the method 'makeSound', but they can all be called using the same me...read more
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Q2. Difference between html and html5
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HTML is the standard markup language for creating web pages, while HTML5 is the latest version with new features and improvements.
• HTML is older and has limited functionality compared to HTML5

• HTML5 supports new elements like <video>, <audio>, and <canvas>

• HTML5 has improved support for multimedia and mobile devices

• HTML5 includes new APIs like Geolocation, Web Storage, and Web Workers
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It included coding and MCQ questions

Q1. Technical round included java and DB concepts and various data structures
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Q1. It was an easy round for HR interaction regarding salary and location
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Q1. Diff between function and stored procedure Define abstraction and encapsulation Oops concepts in detail
Ans. 
A function is a block of code that performs a specific task, while a stored procedure is a named group of SQL statements.
• Functions are used to return a single value, while stored procedures can return multiple values.

• Functions can be called from within SQL statements, while stored procedures are called using their name.

• Functions are typically used for calculations or data manipulation, while stored procedures are used ...read more
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Q1. Explain about agile methodology
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Agile methodology is an iterative and flexible approach to software development.
• Agile methodology focuses on collaboration, adaptability, and delivering working software in short iterations.

• It emphasizes customer satisfaction and welcomes changes in requirements throughout the development process.

• It promotes self-organizing teams and encourages continuous improvement through regular feedback and retrospectives.

• Common a...read more
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