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Object-oriented programming concepts and error handling in Java
OOP concepts include inheritance, polymorphism, encapsulation, and abstraction
Exceptions are used to handle errors and unexpected events in Java
Java has built-in exception classes like NullPointerException and IOException
Custom exceptions can be created by extending the Exception class
Matrix and design coding in C or Java
Matrix operations like addition, multiplication, transpose can be implemented using arrays in C or Java
Design patterns like Singleton, Factory, Observer can be implemented in Java
Java has built-in support for matrix operations through libraries like Apache Commons Math
C can be used for low-level matrix operations and optimization
Design patterns can improve code maintainability and s
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Explaining the differences between const and var, their accessibility, and other related concepts.
const is a keyword used to declare a variable that cannot be reassigned.
var is a keyword used to declare a variable with function scope.
let is a keyword used to declare a variable with block scope.
Accessibility refers to the scope of a variable and where it can be accessed from.
Other related concepts include hoisting, clos
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