例如,假设我们在以下内容中提供内容: "title" : "Bitcoin drops 20% after $70M worth of bitcoin was stolen from Bitfinex exchange"
"body" : "Bitfinex, one of the most popular cryptocurrency exchanges online, has suffered a major hack. The company has posted a note on its website de
我需要在Eclipse中安装什么包来解析org/eclipse/ocl/helper/OCLSyntaxHelper?我在Eclipse中找不到OCLSyntaxHelper类。
线程"main“中的异常: org/eclipse/ocl/helper/OCLSyntaxHelper at org.eclipse.ocl.ecore.OCL.newInstance(OCL.java:127) at RefOntoUML.impl.ElementImpl.(ElementImpl.java:581) at RefOntoUML.impl.RefOntoUMLFactoryImpl.cr