Java-Programs/Butterfly.java at main · DeviPrasadKL/Java-Programs · GitHub

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public class Butterfly {
    public static void main(String[] args) {
        for(int i = 1;i <= 5; i++){
            for (int j = 1; j <= i; j++){
                System.out.println("*");
            }
            for (int k = 1; k <= 2 * (5-i); k++){
                System.out.println(" ");
            }
            for (int j = 1; j <= i; j++){
                System.out.println("*");
            }
            System.out.println();
        }

        for (int i = 1; i <= 4; i++){
            for (int j = 1; j <= 4-i+1; j++){
                System.out.println("*");
            }
            for (int k = 1; k <= 2*i; k++){
                System.out.println(" ");
            }
            for (int j = 1; j<= 4-i+1; j++){
                System.out.println("*");
            }
            System.out.println();
        }
    }
}