洛谷-P4414-ABC

import java.util.Scanner;

public class Main
{
    public static void main(String[] args)
    {
        int temp=0;
        Scanner sc=new Scanner(System.in);
        int A=sc.nextInt();
        int B=sc.nextInt();
        int C=sc.nextInt();
        String str1=sc.next();
        if(A>B)
        {
            temp=B;
            B=A;
            A=temp;
        }
        if(A>C)
        {
            temp=C;
            C=A;
            A=temp;
        }
        if(B>C)
        {
            temp=C;
            C=B;
            B=temp;
        }
        if("ABC".equals(str1))
            System.out.println(A+" "+B+" "+C);
        else if("ACB".equals(str1))
            System.out.println(A+" "+C+" "+B);
        else if("BAC".equals(str1))
            System.out.println(B+" "+A+" "+C);
        else if("CAB".equals(str1))
            System.out.println(C+" "+A+" "+B);
        else if("BCA".equals(str1))
            System.out.println(B+" "+C+" "+A);
        else
            System.out.println(C+" "+B+" "+A);
    }
}

由于我是自学的java 好多东西感觉还没学，感觉Java很多时候没有C简单啊。回头学习应该会有更好的写法。