public class patternUsingWhile { public static void printFirstPattern() { // System.out.println("*"); // System.out.println("* *"); // System.out.println("* * *"); // System.out.println("* * * *"); // System.out.println("* * * * *"); int rows = 0; while (rows < 5) { System.out.print("*"); int i = 0; while (i < rows) { System.out.print(" *"); i++; } System.out.println(""); rows++; } } public static void main(String[] args) { printFirstPattern(); } }