Pattern using recursion in Java

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import java.lang.String;import java.util.Scanner;public class Main{    // function to print the required pattern    public static String func(int n) {        //write your code he        if(n<=0)        {            return "";        }            String res=func(n-1);            res=res+"*";            System.out.println(res);            return res;        }    public static void main(String[] args) {        Scanner in = new Scanner(System.in);        int n = in.nextInt();        func(n);    }}

Source: mycompiler.io

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