/* ÐèÇó£ºÇó³ö1-10Ö®¼äÊý¾ÝÖ®ºÍ 0+1=1 1+2=3 3+3=6 6+4=10 10+5=15 ... ÒòΪÿһ´ÎµÄÀÛ¼Ó½á¹û¶¼ÊDZ仯µÄ£¬ËùÒÔÒª¶¨ÒåÒ»¸ö±äÁ¿£¬×¨ÃÅÓÃÓڼǼÿ´ÎÀۼӵĽá¹û¡£ ÓÉÓÚÎÒÃÇÐèÒªµÄ1£¬2£¬3£¬4...Ò²ÊDZ仯µÄ£¬ËùÒÔÎÒÃÇÒ²Òª¶¨ÒåÒ»¸ö±äÁ¿£¬¶øÕâ¸ö±äÁ¿ÓÃÑ­»·¾ÍÄܵõ½Ã¿¸öÖµ¡£ */ class ForTest2 { public static void main(String[] args) { //×îºÃÏë //System.out.println(1+2+3+4+5+6+7+8+9+10); //¸úÑ­»·½áºÏÆðÀ´ int sum = 0; for(int x=1; x<=10; x++) { //x=1,2,3,4,...10 //sum = sum + x; //sum=0 + 1 = 1; //sum = sum + x; //sum=1 + 2 = 3; //sum = sum + x; sum += x; } System.out.println("1-10µÄºÍÊÇ£º"+sum); } }