package com.company;

public class javaDay06_4 {
    public static void main(String[] args) {
        //使用数组和函数来求多个数的和
        int arr1[] = new int[]{1, 2, 3, 4, 5, 6};
        int sum = add(arr1);
        System.out.println(sum);

        int max = getMax(arr1);
        System.out.println(max);

        System.out.println("使用脚标判断，求最值");
        int max2=getMax2(arr1);
        System.out.println("max2="+max2);

        int min = getMin(arr1);
        System.out.println(min);
    }

    //该函数的功能就是将数组遍历并且将数组的元素求和
    public static int add(int[] arr) {
        int sum = 0;
        for (int x = 0; x < arr.length; x++) {
            sum = sum + arr[x];
        }
        return sum;
    }

    //获取多个整数中最大值
    public static int getMax(int[] arr) {
        int max = arr[0];
        for (int x = 1; x < arr.length; x++) {
            if (arr[x] > max) {
                max = arr[x];
            }
        }
        return max;
    }

    //获取多个整数中最小值
    public static int getMin(int[] arr) {
        int min = arr[0];
        for (int x = 1; x < arr.length; x++) {
            if (arr[x] < min) {
                min = arr[x];
            }
        }
        return min;
    }

    //获取最大值，脚标方式
    public static int getMax2(int[] arr) {
        int max = 0;
        for (int x = 0; x < arr.length; x++) {
            if (arr[x] > arr[max]) {
                max=x;
            }
        }
        return arr[max];
    }
}