import java.util.Scanner; public class While_02_goukei { /****************************** while文 合計と平均 ******************************/ public static void main(String[] args) { Scanner sc = new Scanner(System.in); int kazu; int goukei=0; int kensu=0; double heikin=0; System.out.print("数を入れて下さい(0で終了)\n-->"); kazu=sc.nextInt(); while ( kazu!=0 ) { goukei+=kazu; kensu++; heikin=(double)goukei/kensu; System.out.print("-->"); kazu=sc.nextInt(); } System.out.print("\n合計="+goukei); System.out.print("\n件数="+kensu); System.out.print("\n平均="+heikin); } }