public class NoIfWhile { /** * @param args * * find x=1+2+3+....n */ public static void main(String[] args) { int n=10; int re=find(n); System.out.print(re); } static int find(int n){ int re=0; boolean whatever=false; int a=-1; whatever=(n!=0)&&(a==(re=find(n-1))); return re+n; } }