关于#java#的问题：Main.java:5: error: class Data is public, should be declared in a file named Data.java

Main.java:5: error: class Data is public, should be declared in a file named Data.java
可以告诉我一下这个报错怎么解决

是不是写了两个public class XXX{}

data 用public修饰

把public删掉
即public class Data{}
改为 class Data{}