转载出处 https://study.163.com/course/courseLearn.htm?courseId=1210809807#/learn/video?lessonId=1281712314&courseId=1210809807
1.打开Eclipse
2.添加项目Java Project



2.添加包Package



3.添加类Class



添加代码,输出hello world
package my; public class Hello { public static void main(String[] args) { // TODO Auto-generated method stub System.out.println("hello world"); } }

程序员阿飞
2021年4月20日