完美解决！jdk13安装后无jre，环境变量配置后提示’java’不是内部命令？

完美解决！jdk13安装后无jre，环境变量配置后提示’java’不是内部命令？：https://blog.csdn.net/liuqiker/article/details/101523169?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task

解决安装JDK13后无JRE问题：https://blog.csdn.net/qq_38393535/article/details/103930620?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task

如何解决安装JDK13版本后没有JRE的问题，以及如何解决安装eclipse时提示JDK版本太旧的问题：https://blog.csdn.net/qq1922631820/article/details/104775978?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522158507047619724835837589%2522%252C%2522scm%2522%253A%252220140713.130056874..%2522%257D&request_id=158507047619724835837589&biz_id=0&utm_source=distribute.pc_search_result.none-task