/* ---------------------------------------------------- for文 1からnまでの合計 For_04_goukei ---------------------------------------------------- */ import java.io.*; class For_04_goukei { public static void main(String[] args) throws Exception { int i,goukei=0; int end; BufferedReader inp=new BufferedReader (new InputStreamReader(System.in)); String keybd; System.out.print("いくつまでの合計を求めますか\n"); System.out.print("END -->"); keybd=inp.readLine(); end=Integer.parseInt(keybd); for ( i=1 ; i<=end ; i++ ) { System.out.print(i+" "); goukei+=i; } System.out.print("\n合計="); System.out.print(goukei); System.out.print("\n"); } }