工具/原料
电脑
方法/步骤
打开开始,运行cmd,进入dos界面。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/4b90f603738da977db61a82eba51f8198618e36d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
分别运行java,和javac,检测jdk是否已经配置好,如果没有配置好需先配置好JDK。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d4628535e5dde711f49a6df3adefce1b9d16616e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
新建一个文件夹,在文件夹下,新建一个文本文档,以.java为文件格式,选择打开方式,用记事本打开。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/faf2b2119313b07e8b147e0d06d7912397dd8c0d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
用记事本打开之后,编辑java源程序,编辑完成之后,保存。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a50f4bfbfbedab64ccff63c5fd36afc379311e21?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
在dos 运行javac 将桌面的java程序 拖到到javac命令后方,在桌面生成.class文件。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0df3d7ca7bcb0a46ecada53c6163f6246b60af23?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
用命令语句将当前目录,跳转到新建的文件夹下,在dos下运行java 命令,输出java程序结果。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/241f95cad1c8a7865cad640b6d09c93d70cf502b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)