Sudoku is a logic-based combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids (also called “boxes”, “regions”, or “blocks”) contain all of the …
This is a classic algorithmic problem that can be solved using various approaches, such as greedy algorithms or dynamic programming. Here’s a brief overview of the problem and a common solution strategy Problem Statement: Given an array of integers representing …
Ans :- we can achieve abstraction by using abstract classes and Interfaces. Abstraction in java can be achieved in two ways:
solution :- Firstly install node js, npm and VS Code in your system Step 1:- Open command prompt and for create project write npx create-next-app Step 2:- Now it will say to write your Project name. Step 3 :- Now …
How to create React project using command prompt? Read more »
Solution :- Step -1 :- Firstly open vs code and make sure you have installed node is and npm in your system. step- 2 :- Now go to View option and select “Terminal” option step-3 :- now in Terminal write …
Plan A Preparing for interviews at top tech companies like Facebook, Amazon, Netflix, and Google (FANG) requires a well-structured and comprehensive plan. Here’s a 90-day preparation agenda focusing on Data Structures and Algorithms: Days 1-30: Foundations and Basics Days 31-60: …
Ans :- these are the difference between String Buffer and String Builder s.No String Buffer String Builder 1. StringBuffer is Synchronized StringBuilder is non Synchronized 2. StringBuffer is thread safe StringBuilder is not thread safe 3 StringBuffer is less efficient …
What is the difference between StringBuffer and Stringbuilder ? Read more »
Solution :- SELECT e.empId,e.empName,e.cityId,c.cityName,c.stateName FROM Employee eJOIN City c ON e.cityId = c.cityIdWHERE e.empId =100;
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