| 123456789101112131415161718192021 |
- /**
- * @author WanJl
- * @version 1.0
- * @title HomeWork10
- * @description 7月15日作业:定义一个整数数组 `{12, 7, 9, 24, 15, 8, 31, 46}`,遍历数组,统计其中奇数和偶数的个数。
- * @create 2026/7/16
- */
- public class HomeWork10 {
- public static void main(String[] args) {
- int[] arr={12, 7, 9, 24, 15, 8, 31, 46};
- int count=0; //作为奇数个数
- //遍历数组
- for (int i = 0; i < arr.length; i++) {
- //如果某个数组元素余2不等于0,就说明是奇数
- if (arr[i]%2!=0){
- count++; //就累加1
- }
- }
- System.out.println("奇数个数:"+count+",偶数个数:"+(arr.length-count));
- }
- }
|