Running java issue on Eclipse [duplicate]

Hi I am a beginning java learner, and need to run my code in Eclipse.
However I encountered below error:

objc[4852]: Class JavaLaunchHelper is implemented in both
/Library/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home/bin/java
and
/Library/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home/jre/lib/libinstrument.dylib.
One of the two will be used. Which one is undefined. Error: Could not
find or load main class

It looks like there are two path ways and Eclipse couldn’t read the code/recognize the class.

Comments 1

  • “Error: Could not find or load main class” This error usually means you don’t have a main method on the Class your are trying to run.

    I have personally had issues with having installed JREs twice. Remove the non-eclipse one and the problem may disappear.

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