//一个函数。定义一个数组。找出最大值和最小值
public class Wcyf
{    int sz(){
      int[]a={3,4,5,6,7,8,9};
      int max=0;int min=0;
      for(int i=0;i<a.length-1;i++){
          if(a[i]>a[i+1]){
             max=a[i];
             return max;
          }else{
            min=a[i+1];
            return min;
          }
      }
      

     }
  public static void main(String[] args)
    {
        Wcyf fanh=new Wcyf();
        int max=fanh.sz();
        int min=fanh.sz();
        System.out.println(max);
    }
}