/* -------------------------------------------------- while文 合計と件数 while_02_goukei -------------------------------------------------- */ import java.io.*; class while_02_goukei { public static void main(String[] args) throws Exception { int kazu,goukei=0,kensu=0; double heikin=0; BufferedReader inp=new BufferedReader (new InputStreamReader(System.in)); String keybd; System.out.print("数を入れてください(0で終了)\n-->"); keybd=inp.readLine(); kazu=Integer.parseInt(keybd); while ( kazu!=0 ) { goukei = goukei + kazu; kensu++; System.out.print("-->"); keybd=inp.readLine(); kazu=Integer.parseInt(keybd); } heikin=(double)goukei/kensu; System.out.print("合計="+goukei+"\n"); System.out.print("件数="+kensu+"\n"); System.out.print("平均="+heikin+"\n"); System.out.print("\n"); } }