题目:输入数组,最大的与第一个元素交换,最小的与最后一个元素交换,输出数组
1 public class _035ExchangeArray { 2 3 public static void main(String[] args) { 4 exchangeArray(); 5 } 6 7 private static void exchangeArray() { 8 final int N = 8; 9 10 int[] a = new int[N]; 11 12 Scanner scanner = new Scanner(System.in); 13 14 System.out.println("请输入8个整数 :"); 15 16 for (int i = 0; i < N; i++) { 17 a[i] = scanner.nextInt(); 18 } 19 20 // 获得输入的八个数字 21 System.out.println("你输入的数组为:"); 22 for (int i = 0; i < N; i++) { 23 System.out.print(a[i] + " "); 24 } 25 26 // 输出输入的数组 27 int max = 0, min = 0; 28 for (int j = 0; j < N; j++) { 29 if (a[j] > a[max]) { 30 max = j; 31 } 32 } 33 int temp = a[0]; 34 a[0] = a[max]; 35 a[max] = temp; 36 37 for (int j = 0; j < N; j++) { 38 // 找出最大数和最小数的下标 39 if (a[j] < min) { 40 min = j; 41 } 42 } 43 44 int temp1 = a[N - 1]; 45 a[N - 1] = a[min]; 46 a[N - 1] = temp1; 47 48 System.out.println(" 交换后的数组为:"); 49 for (int k = 0; k < N; k++) { 50 System.out.print(a[k] + " "); 51 } 52 } 53 }