/**遍历数组,并打印到终端设备*/
    public static void IterationInt(int[] arr){
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i]+"\t");
        }
    }
    
    /**求int数组中的平均值*/
    public static int getArrayAvg(int[] arr){
        int result = 0;
        for (int i = 0; i < arr.length; i++) {
            result +=arr[i];
        }
        return result/arr.length;
    }
    
    
    /**求int数组中的最大值*/
    public static int getArrayMax(int[] arr){
        int result = 0;
        result = arr[0];
        for (int i = 0; i < arr.length; i++) {
            if(result<arr[i]){
                result = arr[i];
            }
        }
        return result;
    }
    /**求double数组中的最大值*/
    public static double getArrayMax(double[] arr){
        double result = 0;
        result = arr[0];
        for (int i = 0; i < arr.length; i++) {
            if(result<arr[i]){
                result = arr[i];
            }
        }
        return result;
    }
    /**求String数组中的字符长度最大的元素*/
    public static String getArrayMax(String[] arr){
        String result = "";
        result = arr[0];
        for (int i = 0; i < arr.length; i++) {
            if(result.length()<arr[i].length()){
                result = arr[i];
            }
        }
        return result;
    }
    
    /**求int数组中的最小值*/
    public static int getArrayMin(int[] arr){
        int result = 0;
        result = arr[0];
        for (int i = 0; i < arr.length; i++) {
            if(result>arr[i]){
                result = arr[i];
            }
        }
        return result;
    }
    /**求double数组中的最小值*/
    public static double getArrayMin(double[] arr){
        double result = 0;
        result = arr[0];
        for (int i = 0; i < arr.length; i++) {
            if(result>arr[i]){
                result = arr[i];
            }
        }
        return result;
    }
    /**求String数组中的字符长度最小的元素*/
    public static String getArrayMin(String[] arr){
        String result = "";
        result = arr[0];
        for (int i = 0; i < arr.length; i++) {
            if(result.length()>arr[i].length()){
                result = arr[i];
            }
        }
        return result;
    }