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Coding online test about basic and more programming questions
A static method is a method that belongs to a class rather than an instance of the class.
Static methods can be called without creating an instance of the class.
They are often used for utility functions that don't require any state information.
Static methods cannot access non-static variables or methods.
Example: Math.max() is a static method that returns the maximum of two numbers.
Polymorphism is the ability of an object to take on many forms.
It allows objects of different classes to be treated as if they were objects of the same class
It is achieved through method overriding and/or method overloading
Example: A parent class Animal can have child classes like Dog, Cat, and Bird, each with their own unique implementation of the method 'makeSound'
Example: A method 'drawShape' can be overloaded to ac
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Two questions, both classified as LeetCode Medium difficulty.
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Database related questions
DSA
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BDA stands for Big Data Analytics.
BDA refers to the process of examining large and complex data sets to uncover patterns, correlations, and insights.
It involves using various techniques and tools to analyze data and make informed business decisions.
Examples of BDA include analyzing customer behavior data to improve marketing strategies or analyzing financial data to identify potential risks.
posted on 10 Mar 2022
Topic wt is ms office
Eassys dscover the basic structure of all essaysand see what a goo d essay introduction and conclusion look like
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Synchronous means happening at the same time, while asynchronous means not happening at the same time.
Synchronous operations occur in real-time, while asynchronous operations can be delayed or queued.
Synchronous operations block the program until they are completed, while asynchronous operations allow the program to continue running.
Examples of synchronous operations include function calls and loops, while examples of ...
CTE and temp table usage in SQL
Use CTE for recursive queries and complex subqueries
Use temp tables for large data sets and complex queries
CTE is more efficient for small data sets
Temp tables can be indexed for faster performance
Consider the scope and lifespan of the data when choosing between CTE and temp table
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