Java program to find the first non-repeating character in a string

import java.util.HashMap; public class FirstNonRepeatingCharacter { } This program works by first creating a hash map to store the frequency of each character in the string. Then, it iterates through the string and checks if the frequency of each character is 1. If it is, then the character is non-repeating and the program returns it….

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What’s programming?

Programming is like an art form, where the code you write becomes your canvas and the software you create is your masterpiece. Just like a painter uses different colors, brush strokes, and techniques to bring their vision to life, a programmer uses various programming languages, tools, and algorithms to create functional and efficient software. At…

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Because of Science by Neil deGrasse Tyson

So beautifully written article by Neil deGrasse Tyson Many people who love their high-tech smartphones refused to trust scientists when it came to Covid. What I learned from the pandemic year is that when faced with a common enemy—an enemy of the entire human species—we regressed to basal, primitive instincts rather than band together to…

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