2.4: Star Pattern Write a program that displays the following pattern: * *** ***

Question

2.4: Star Pattern Write a program that displays the following pattern: * *** ***** ******* ***** *** *

Output . Seven lines of output as follows: The first consists of 3 spaces followed by a star. The second line consists of 2 spaces followed by a 3 stars. The third consists of one space followed by 5 stars, and the fourth consists just of 7 stars. The fifth line is identical to third, th sixth to the second and the seventh to the first.

CLASS NAMES. Your program class should be called StarPattern

Explanation / Answer

class StarPattern

{

public static void main (String[] args)

{

int x = 1;

int increment_by = 2;

while (x > 0) {

// print spaces

int spaces = 4 - x / 2;

for (int i = 1; i <= spaces; i++) System.out.print(" ");

// print asterisks

for (int i = 1; i <= x; i++) System.out.print("*");

// end line

System.out.println();

// change width

if (x == 7) increment_by = -2; // reverse

x += increment_by;

}

}

}

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