什么是POJO

POJO:简单的java对象

下面就是一个POJO:

public class User {
private long id;
private String name;
public void setId(long id) {
this. id = id;
}
public void setName(String name) {
this. name=name;
}
public long getId() {
return id;
}
public String getName() {
return name;
}
}