2012JAVA模拟试题及答案：编程题14
【程序14】题目：输入某年某月某日，判断这一天是这一年的第几天？
import java.util.*;
public class lianxi14 {
public static void main(String[] args) {
int year, month, day;
int days = 0;
int d = 0;
int e;
input fymd = new input();
do {
e = 0;
System.out.print("输入年：");
year =fymd.input();
System.out.print("输入月：");
month = fymd.input();
System.out.print("输入天：");
day = fymd.input();
if (year < 0 || month < 0 || month > 12 || day < 0 || day > 31) {
System.out.println("输入错误，请重新输入！");
e=1 ;
}
}while( e==1);
for (int i=1; i
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