J250419/chapter01-javaSE/homework/j20250517/T1.java

package com.loveCoding.homework.j20250517;

/**
 * @author WanJl
 * @version 1.0
 * @title T1
 * @description 1. 统计数组元素类型
 * 要求：统计数组中正数、负数和零的个数
 * 示例输入：`{5, -2, 0, 3, -1, 0, 7}`
 * 示例输出：正数3个，负数2个，零2个
 * @create 2025/5/24
 */
public class T1 {
    public static void main(String[] args) {
        int[] arr = {5, -2, 0, 3, -1, 0, 7};
        int a=0,b=0,c=0;
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] > 0) {
                a++;
            } else if (arr[i] < 0) {
                b++;
            } else{
                c++;
            }
        }
        System.out.println("正数"+a+"个，负数"+b+"个，零"+c+"个");
    }
}