如题所述
import java.util.Scanner;
public class Test
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
int n;
System.out.print("请输入一个大于9的整数:");
n=sc.nextInt();
if(n>9)
{
n=n/100*100+n%10*10+n/10%10;
System.out.println(n);
}
sc.close();
}
}追问
public class Test
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
int n;
System.out.print("请输入一个大于9的整数:");
n=sc.nextInt();
if(n>9)
{
n=n/100*100+n%10*10+n/10%10;
System.out.println(n);
}
sc.close();
}
}追问
还是不对....这是题目要求,大佬求救
import java.util.Scanner;
public class Test
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
int n;
n=sc.nextInt();
if(n>9)
{
n=n/100*100+n%10*10+n/10%10;
System.out.println(n);
}
sc.close();
}
}
没问题了请采纳,有问题继续追问。
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