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Linked list, arrays,stack

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2 coding questions, Java

Create a website, 7 days

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Basic question of English and aptitude

Q1. Oops, html , css javascript and project.
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Basic question of English and aptitude

Q1. Oops, html , css javascript and project.
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Q1. What are the different types of variables?
Ans. 
Variables can be classified into several types based on their scope, lifetime, and data type.
• 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;' inside a function.

• 4. Instance Varia...read more
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Q1. What is four pillars of oops concepts
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Encapsulation, Inheritance, Polymorphism, Abstraction
• Encapsulation: Bundling data and methods that operate on the data into a single unit

• Inheritance: Ability of a class to inherit properties and behavior from another class

• Polymorphism: Ability to present the same interface for different data types

• Abstraction: Hiding the complex implementation details and showing only the necessary features
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Q2. Different between array and collection
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Arrays are fixed in size and store elements of the same data type, while collections are dynamic in size and can store elements of different data types.
• Arrays have a fixed size, while collections can dynamically resize.

• Arrays store elements of the same data type, while collections can store elements of different data types.

• Arrays use indexes to access elements, while collections use iterators or other methods.

• Examples:...read more
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