What is the problem how to solve the
CodePudding user response:
Should be the jre can't access the class try to use the JDK, found Java system under engineering buildpath double-click on the library and choose a try JDK
CodePudding user response:
reference response: 1/f, bell の hut should be jre is unable to access the class try to use the JDK, found Java system under engineering buildpath double-click on the library and pick a JDK try just like I learn Java simply couldn't understand what you are saying CodePudding user response:
refer to the second floor z1962007999 response: Quote: reference response: 1/f, bell の hut should be jre is unable to access the class try to use the JDK, found Java system under engineering buildpath double-click on the library and pick a JDK try just like I learn Java simply couldn't understand what you are saying CodePudding user response:
refer to the second floor z1962007999 response: Quote: reference response: 1/f, bell の hut should be jre is unable to access the class try to use the JDK, found Java system under engineering buildpath double-click on the library and pick a JDK try just like I learn Java simply couldn't understand what you are saying CodePudding user response:
refer to the second floor z1962007999 response: Quote: reference response: 1/f, bell の hut should be jre is unable to access the class try to use the JDK, found Java system under engineering buildpath double-click on the library and pick a JDK try just like I learn Java simply couldn't understand what you are saying CodePudding user response:
Environment variable is not configured? CodePudding user response:
Not uninstall existing Java, then reinstall the JDK 
