Sometimes due to the project needs, you may need to use JDK6 and JDK8, this time you may experience some problems
Question one:
eclipse may not open due to the eclipse default requirements JDK8, but after installing the system JDK6 JDK6 default, even if your JAVA_HOME JDK configuration is useless
solution:
Eclipse.ini find files in the root directory of eclipse
Fill in the following changes
Question two:
After open cmd java -version command version of jdk6
solution:
Found C: \ Windows \ System32 directory, the folder java.exe, javaw.exe, javaws.exe delete, query and then try again, changes are complete.