View Compilation Error

0_0_29638520_30550\Main.java:10: 错误: 类MyDfsStudy是公共的, 应在名为 MyDfsStudy.java 的文件中声明
public class MyDfsStudy {
       ^
0_0_29638520_30550\Main.java:1: 错误: 程序包heapsort不存在
import heapsort.MyHeapsortStudy;
               ^
2 个错误