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Butterfly Pattern using java of number n
public class Butterflypattern {
public static void butterfly_pattern(int n) {
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= i; j++) {
System.out.print("*");
}
for (int j = 1; j <= 2 * (n - i); j++) {
System.out.print(" ");
}
for (int index = 1; index <= i; index++) {
System.out.print("*");
}
System.out.println();
}
for (int i = n; i >= 1; i--) {
for (int j = 1; j <= i; j++) {
System.out.print("*");
}
for (int j = 1; j <= 2 * (n - i); j++) {
System.out.print(" ");
}
for (int index = 1; index <= i; index++) {
System.out.print("*");
}
System.out.println();
}
}
public static void main(String[] args) {
butterfly_pattern(5);
}
}
Output:
* *
** **
*** ***
**** ****
**********
**********
**** ****
*** ***
** **
* *
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