package array;

/**
 * @ClassName ArrayTest
 * @Description
 * @Author changxuan
 * @Date 2020-03-14 15:35
 **/
public class ArrayTest {
    public static void main(String[] args){
        char a = 'A';
        char z = '|';
        int[][] arr = new int[0][0];
        System.out.println((int)a);
        System.out.println((int)z);
        System.out.println(arr);

        String address=null;
        String[] splitAddress=address.split(",");
        System.out.println(splitAddress.length);
    }
}