【程序14】 4 c2 A9 o3 A4 ` D, |" e7 ~' s
题目:输入某年某月某日,判断这一天是这一年的第几天?
9 ?2 h0 V; P8 Y6 m! ]7 y1 U, H3 kimport java.util.*;
# o: F; E+ t' l8 ppublic class lianxi14 { 0 Y) \3 G# Q8 t0 @8 L6 a
public static void main(String[] args) {
Q* l e- L4 F6 x int year, month, day; . O) E( w0 {( F, }3 K
int days = 0;
1 D# P! r7 s4 l: R# w1 e7 z int d = 0;
, y9 `( {# h5 ^( b, S& g9 [ int e; " [' H. D; b" ?/ G
input fymd = new input();
7 o9 }0 f) t( ` do { ( X) y+ C: a% E( F
e = 0;
" N* Q, ]+ [' S( X7 W8 L System.out.print("输入年:"); ) ~0 n" r6 o' I* G
year =fymd.input();
" U' h; y* Q8 b6 P. P1 D- P System.out.print("输入月:"); * L V7 v9 B! Q+ y" q
month = fymd.input(); 2 |# F% \. t9 B) U5 C6 ^
System.out.print("输入天:");
9 x! J e1 y; X0 m o4 K$ o day = fymd.input();
! a1 J+ A7 ?5 @/ B if (year < 0 || month < 0 || month > 12 || day < 0 || day > 31) {
. `9 l; H. }% P System.out.println("输入错误,请重新输入!"); 6 h! C; Y- z, \ E
e=1 ; 9 a5 d/ u, P9 f& Y, ?+ u6 K1 ], P
} # f8 g4 _: _1 ?5 a
}while( e==1);
! J2 e& a8 _" j" s for (int i=1; i |