Ymh_Sirius的博客

/** * className:HelloWorld * Description:Java的基础类型Double三个基础常量 * * @author:yanmh */ public class HelloWorld { public static void main(String[] args) { System.out.println(":::::"); /** * A constant holding the positive in.

IDEA 常用快捷键 ** 1.执行(run) alt+r 2.提示补全 (Class Name Completion) alt+/ 3.单选注释 ctrl + / 4.多行注释 ctrl + shift + / 5.向下复制一行 (Duplicate Lines) ctrl+alt+down 6.删除一行或选中行 (delete line) ctrl+d...