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/* ÊÀ½ç×î¸ßɽ·åÊÇÖéÄÂÀÊÂê·å£¬ËüµÄ¸ß¶ÈÊÇ8848.86Ã×£¬¼ÙÈçÎÒÓÐÒ»ÕÅ×ã¹»´óµÄÖ½£¬ËüµÄºñ¶ÈÊÇ0.1ºÁÃס£ ÇëÎÊ£¬ÎÒÕÛµþ¶àÉٴΣ¬¿ÉÒÔÕÛ³ÉÖéÄÂÀÊÂê·åµÄ¸ß¶È? */ class WhileTest2 { public static void main(String[] args) { //1. ÉùÃ÷Öé·åµÄ¸ß¶È¡¢Ö½µÄĬÈϺñ¶È double paper = 0.1;//µ¥Î»£ººÁÃ× double zf = 8848860;//µ¥Î»£ººÁÃ× //2. ¶¨ÒåÒ»¸ö±äÁ¿£¬¼Ç¼ÕÛÖ½µÄ´ÎÊý int count = 0; //3. ͨ¹ýÑ­»·½á¹¹£¬²»¶Ïµ÷ÕûÖ½µÄºñ¶È £¨µ±Ö½µÄºñ¶È³¬¹ýÖé·å¸ß¶Èʱ£¬Í£Ö¹Ñ­»·£© while(paper <= zf){ paper *= 2; count++; } System.out.println("paperµÄ¸ß¶ÈΪ:" + (paper / 1000) + ",³¬¹ýÁËÖé·åµÄ¸ß¶È" + (zf/1000)); System.out.println("¹²ÕÛÖ½" + count + "´Î"); } }