hibernate注解

package entity;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;


@Table(name="abcd_user")
public class  extends UUIDEntity{

	@Column(unique = true)
private String username;
private String password;
private int age;
public ( String username) {
	this.username = username;
}
public () {
	
}
public String getUsername() {
	return username;
}
public void setUsername(String username) {
	this.username = username;
}
public String getPassword() {
	return password;
}
public void setPassword(String password) {
	this.password = password;
}
public int getAge() {
	return age;
}
public void setAge(int age) {
	this.age = age;
}

}