Infoblox Software Developer Interview Questions and Answers

Aptitude,reasoning,verbal,C language,Java,C++

Q1. What is interface in JAVA
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Q2. Explain OOPS in JAVA
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Q1. String litteral,
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Q2. Collection hierarchy
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Q1. Project based backend and frontend
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Q2. How to connect to backend
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To connect to the backend, you can use APIs, database connections, or web services.
• Use APIs to send and receive data between the frontend and backend

• Establish database connections to retrieve and store data

• Utilize web services for communication between different systems
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Q1. What is class what is object what is different between private protected and public and default
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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 ?
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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?
Ans. 
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
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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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They asked from all the concepts wer have covered till now in Engineering.

Q1. Not applicable to this
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Q2. Not applicable to this one
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Q1. Not available, PFB
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Q2. Please find below
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How to reverse linked list.

Q1. What selection sort.
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Q2. What is dynamic memory allocation.
Ans. 
Dynamic memory allocation is the process of allocating memory during program execution.
• Allows programs to request memory at runtime

• Helps in efficient memory management

• Commonly used in languages like C and C++

• Example: using malloc() function in C to allocate memory for an array
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