java怎样生成50-100的随机数整数包括50 100
最新回答
酒尽
2024-11-23 11:39:01
public class lianxi24 {
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
System.out.print("请输入一个正整数：");
long a = s.nextLong();
String ss = Long.toString(a);
char[] ch = ss.toCharArray();
int j=ch.length;
System.out.println(a + "是一个"+ j +"位数。");
System.out.print("按逆序输出是：");
for(int i=j-1; i>=0; i--) {
System.out.print(ch[i]);
}
}
}
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