import java.util.Scanner;
public class RiQi {
public static void main(String[] args) {
System.out.println("请输入年月日:");
Scanner get=new Scanner(System.in);
int year=get.nextInt();
int month=get.nextInt();
int day=get.nextInt();
int sum=0;
sum=sum+day;
int[] last= {31,28,31,30,31,30,31,31,30,31,30,31};
for(int i=0;i<month-1;i++) {
sum=sum+last[i];
}
if(month>2&&((year%4==0&&year%100!=0)||year%400==0)) {
sum+=1;
}
System.out.println(year+"年"+month+"月"+day+"日"+"是这一年的第"+sum+"天");
}
}
输入三个整数x,y,z,请把这三个数由小到大输出
import java.util.Scanner;
public class DaXiao {
public static void main(String[] args) {
System.out.println("请输入x y z");
Scanner get=new Scanner(System.in);
int x=get.nextInt();
int y=get.nextInt();
int z=get.nextInt();
int a;
System.out.println("从大到小排序为:");
while(x<y) {
a=x;
x=y;
y=a;
}
if(z<y) {
System.out.println(x+" "+y+" "+z);
}
else {
if(z>x) {
System.out.println(z+" "+x+" "+y);
}
else {
System.out.println(x+" "+z+" "+y);
}
}
}
}
输出9*9口诀表
public class ChengFaBiao {
public static void main(String[] args) {
int i,j;
for(i=1;i<=9;i++) {
for(j=1;j<=i;j++) {
int s=i*j;
System.out.print(i+"×"+j+"="+s+"\t");
}
System.out.println();
}
}
}