java鍥涜垗浜斿叆鎬庝箞淇濈暀鏁存暟
鍦↗ava涓紝鍙互浣跨敤Math.round()鏂规硶杩涜鍥涜垗浜斿叆骞朵繚鐣欐暣鏁般€?/p>
渚嬪锛屽亣璁炬湁涓€涓诞鐐规暟num锛岃杩涜鍥涜垗浜斿叆骞朵繚鐣欐暣鏁帮紝鍙互浣跨敤浠ヤ笅浠g爜锛?/p>
double num = 3.14159;
int roundedNum = (int) Math.round(num);
System.out.println(roundedNum); // 杈撳嚭锛?
鍦ㄨ繖涓緥瀛愪腑锛屽皢娴偣鏁皀um杞崲涓烘暣鏁板瀷锛岀劧鍚庝娇鐢∕ath.round()鏂规硶鍥涜垗浜斿叆骞跺皢缁撴灉璧嬪€肩粰roundedNum鍙橀噺銆傛渶鍚庯紝浣跨敤System.out.println()鏂规硶鎵撳嵃鍑簉oundedNum鐨勫€硷紝鍗充繚鐣欐暣鏁扮殑缁撴灉銆?/p>