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2 coding questions, Java
Create a website, 7 days
posted on 14 Apr 2024
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Basic question of English and aptitude
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Basic question of English and aptitude
I was interviewed before Feb 2024.
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...
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
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:...
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