Csc E Governance Services Android Developer Interview Questions and Answers

Q1. One round interview in project
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Q1. Basic details of required skillset
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To create a web page

Q1. What is OOPs concept in java?
Ans. 
OOPs concept in Java is a programming paradigm that focuses on objects and their interactions.
• OOPs stands for Object-Oriented Programming

• It emphasizes on encapsulation, inheritance, and polymorphism

• Encapsulation is the process of hiding implementation details from the user

• Inheritance allows a class to inherit properties and methods from another class

• Polymorphism allows objects to take on multiple forms or behaviors

• Exam...read more
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Q2. What is string toknizer in java ?
Ans. 
StringTokenizer is a class in Java that breaks a string into tokens based on a delimiter.
• It is a legacy class that is not recommended to use in new code.

• It is used to split a string into smaller parts based on a delimiter.

• The default delimiter is whitespace, but it can be changed to any character or string.

• It is useful for parsing text files or data that is separated by a specific character.

• Example: StringTokenizer st ...read more
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Q1. Which technologies you are comfortable ?
Ans. 
I am comfortable with a wide range of technologies including Java, Python, JavaScript, and SQL.
• Proficient in Java and Python programming languages

• Familiar with JavaScript and its frameworks such as React and Angular

• Experienced in working with SQL databases

• Comfortable with version control systems like Git

• Knowledgeable in software development methodologies like Agile and Scrum
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Reverse the string, Reverse of an array, Data base related queries

CRUD operations in a known programming language.

Q1. Arrays & Strings explanation
Ans. 
Arrays & Strings are data structures used to store multiple values in a single variable.
• Arrays store multiple values of the same data type in a contiguous memory location.

• Strings are arrays of characters used to represent text.

• Example: int[] numbers = {1, 2, 3}; String name = 'John';
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Q2. Cors origin and security & hashing techniques & cross site forgery & sql injection
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Easy to medium level coding

Q1. What is pointer
Ans. 
A pointer is a variable that stores the memory address of another variable.
• Pointers allow direct manipulation of memory and efficient memory management.

• They are commonly used in programming languages like C and C++.

• Example: int* ptr; // declares a pointer to an integer variable
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