The perfect solution! After installation jdk13 no jre, suggesting 'java' is not an internal command environment variable configuration? : Https://blog.csdn.net/liuqiker/article/details/101523169?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task
After resolving JRE installation JDK13 no problem: 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
How to solve the problem after installing JDK13 no JRE version, as well as tips on how to solve the JDK version is too old to install eclipse problem: 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