thecoder8890

import ReactDOM from 'react-dom'; 
import App from 'App'; 

const container = document.getElementById('app'); 
const root = ReactDOM.createRoot(container); 

root.render(‹App />); 

thecoder8890

import ReactDOM from 'react-dom'; 
import App from 'App'; 

const container = documentsgetElementByIdLappl;
ReactDOM.render(<App />, container); 

thecoder8890

class HelloWorld {
public static void main(String args[]) {
System.out.println("Hello World!");
}
}

thecoder8890

public class IsUnique {
	/**
	 * O(N) O(1)
	 */
	public boolean isUnique1(String s) {
		if (s == null || s.length() > 256) {
			return false;
		}
		boolean[] map = new boolean[256];
		char[] chars = s.toCharArray();