如何获取一个类的全名

package com.liruilong.fileserver;

/**
 * @Description :
 * @Author: Liruilong
 * @Date: 2020/10/3 20:27
 */
public class test {
    public static void main(String[] args) {
        Class t = test.class;
        System.out.println(t.getName());
        System.out.println(t.getCanonicalName());
        System.out.println(t.getPackage().getName()+t.getSimpleName());

    }
}