package ch4; import java.util.Scanner; public class LoopTest4 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner stdin=new Scanner(System.in); System.out.print("원하는 숫자를 입력하세요: "); int num=stdin.nextInt(); int i=1; while(i<=num) { for(int c=num-i;c>=0;c--) { System.out.print(" "); } int j=1; while(j<=i) { System.out.print("*"); j++; } System.out.println(); i++; } } }...