水仙花主要代碼
package daffodil;
public class printDaffodil {
public static void main(String[] args) {
System.out.println("開始打印水仙花數:");
int a,b,c;
for(int i=100;i<=999;i++){
a=i%10;
b=(i/10)%10;
c=i/100;
if(a*a*a+b*b*b+c*c*c==i){
System.out.println(i);
}
}
}
}
運行效果圖:
數組倒置代碼:
package zhangyue;
import java.util.Random;
public class shuzu {
public static void main(String[] args) {
int a[]=new int[9];
for(int i=0;i<9;i++){
Random r=new Random();
int num=r.nextInt(101);
a[i]=num;
}
System.out.println("輸出數組中的數據:");
printShuZu(a);
change(a);
System.out.println("輸出倒置後的數組中的數據:");
printShuZu(a);
}
public static void printShuZu(int a[]){
for(int i=0;i<9;i++){
System.out.print(a[i]+" ");
}
System.out.println("\n");
}
public static void change(int a[]){
int i,j,t=0;
for(i=0,j=a.length-1;i<j;i++,j--){
t=a[i];
a[i]=a[j];
a[j]=t;
}
}
}
運行效果圖: