Nelito System Software Developer Interview Questions and Answers

Q1. Tell me about yourself Tell me about your final year project Your family background
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Q1. Tell me about yourself Class and object Constructor Polymorphism Multithreading Exception handling
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Pattern program
Multithreading program
And overriding program

Q1. Laravel based questions, badabase questions
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Q2. Database query joins , having cluuase javascript jQuery
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Q1. What is class what is object what is different between private protected and public and default
Ans. 
A class is a blueprint for creating objects, while an object is an instance of a class. Private, protected, public, and default are access modifiers in object-oriented programming.
• A class is a template or blueprint that defines the properties and behaviors of objects.

• An object is an instance of a class, created using the class blueprint.

• Private access modifier restricts access to class members within the same class.

• Pro...read more
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Q2. What is object ?
Ans. 
An object is a self-contained entity that consists of both data and behavior.
• Objects are instances of classes in object-oriented programming.

• They encapsulate data and provide methods to manipulate that data.

• Objects can interact with each other through method calls and message passing.

• Examples of objects include a car, a person, or a bank account.
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Q3. What is public?
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Public is a keyword in programming languages that denotes the accessibility of a class, method, or variable.
• Public is one of the access modifiers in object-oriented programming.

• It allows the class, method, or variable to be accessed from any other class or package.

• Public members are part of the public API of a software component.

• Example: public class MyClass { ... }

• Example: public void myMethod() { ... }

• Example: public
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Q4. What is private?
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In programming, private is an access modifier that restricts the visibility of a class member to within its own class.
• Private is used to encapsulate data and prevent direct access from outside the class.

• Private members can only be accessed through public methods or properties.

• Private variables are often used to store internal state or implementation details.

• Private methods are used for internal logic and are not meant
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Q5. What is protected
Ans. 
protected is an access modifier in object-oriented programming that restricts access to members within the same package or subclasses.
• protected is one of the four access modifiers in Java, along with public, private, and default.

• Members declared as protected can be accessed within the same package or by subclasses.

• Protected members are not accessible outside the package unless accessed through inheritance.

• Example: prot...read more
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That was conducted in my College and it was online assessment for aptitude

Q1. Difference between == and ===
Ans. 
The == operator checks for equality, while the === operator checks for strict equality (including data type).
• The == operator only checks for equality of values, not data types.

• The === operator checks for both equality of values and data types.

• Example: 5 == '5' would return true, but 5 === '5' would return false.
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Q1. Describe your final year project
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Q2. What was your role in your final year project
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Q1. Salary expectation
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