import java.util.Scanner;public class ZuiDaZuiXiao {public static void main(String[] args) {int a[] = new int[4];Scanner s = new Scanner(System.in);System.out.println("请输入4个数");//赋值数组for (int i = 0; i < a.length; i++) {a[i] = s.nextInt();}//找最大最小值int max, min;max = min = a[0];for (int i = 1; i < a.length; i++) {max = max > a[i] ? max : a[i];min = min < a[i] ? min : a[i];}System.out.println("最大值：" + max);System.out.println("最小值：" + min);}
}