Applied Cloud Computing Front end Developer Interview Questions and Answers

Q1. Introduce yourself what are you hobbies what is your qualifications
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Q1. Everything HTML CSS SQL and core java
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Q1. Qs related to javascript
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Q1. Why should we hire you
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Q1. Explain process for SDE
Ans. 
The process for Software Development Engineer involves planning, designing, coding, testing, and deploying software solutions.
• Gather requirements from stakeholders

• Create a design based on requirements

• Write code to implement the design

• Test the software for bugs and issues

• Deploy the software for users to use

• Iterate on feedback and make improvements
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It is easy to solve the Aptitude question and some identifying outputs of program.

Q1. What is class?and write a logic for object in a class.
Ans. 
A class is a blueprint for creating objects in object-oriented programming.
• A class defines the properties and behaviors of objects.

• An object is an instance of a class.

• Example: Class 'Car' can have properties like 'color' and 'model', and behaviors like 'drive' and 'stop'.
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Q2. 1.swap two numbers without using temp variable 2.Reverse the string.
Ans. 
Swap two numbers without using temp variable and reverse a string without using built-in functions.
• To swap two numbers without using temp variable, use bitwise XOR operation.

• To reverse a string without using built-in functions, use two pointers approach.

• Example for swapping numbers: a = a ^ b; b = a ^ b; a = a ^ b;

• Example for reversing a string: use two pointers to swap characters from start and end of the string.
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Now, I am preparing for the third round.
So, I don't know the Coding Question.

Q1. What is Java?
Ans. 
Java is a versatile, object-oriented programming language designed for portability across platforms and ease of use.
• Object-Oriented: Java uses objects to represent data and methods, promoting code reusability. Example: Classes and objects.

• Platform-Independent: Java code is compiled into bytecode, which can run on any device with a Java Virtual Machine (JVM).

• Rich API: Java provides a comprehensive set of libraries for t...read more
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Q2. What is the purpose of the Java Virtual Machine (JVM)?
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The JVM enables Java applications to run on any device by providing an environment for executing Java bytecode.
• Platform Independence: JVM allows Java programs to run on any operating system without modification.

• Bytecode Execution: It interprets or compiles Java bytecode into machine code for execution.

• Memory Management: JVM handles memory allocation and garbage collection automatically.

• Security: It provides a secure ex...read more
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Q3. What are the key concepts of Object-Oriented Programming (OOP)?
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OOP is a programming paradigm based on objects, encapsulating data and behavior, promoting code reusability and modularity.
• Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).

• Inheritance: Mechanism to create a new class based on an existing class, inheriting its properties (e.g., a 'Dog' class inheriting from an 'Animal' class).

• Polymorphism: Ability to present the same inte...read more
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Q4. What are the different types of variables?
Ans. 
Variables can be categorized based on their scope, lifetime, and data type, impacting how they are used in programming.
• 1. Local Variables: Defined within a function or block, e.g., 'int x = 10;' inside a function.

• 2. Global Variables: Accessible throughout the program, e.g., 'int count;' defined outside any function.

• 3. Static Variables: Retain their value between function calls, e.g., 'static int counter = 0;' in a func...read more
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Q5. What is an interface?
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An interface defines a contract for classes, specifying methods and properties without implementing them.
• An interface can contain method signatures and properties but no implementation.

• Classes that implement an interface must provide concrete implementations for all its members.

• Interfaces support multiple inheritance, allowing a class to implement multiple interfaces.

• Example: In Java, 'Runnable' is an interface that re...read more
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Q6. What are the data types
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