mac下Class JavaLaunchHelper is implemented in both

Question

objc[20918]: Class JavaLaunchHelper is implemented in both /Library/Java/JavaVirtualMachines/jdk1.8.0_92.jdk/Contents/Home/bin/java and /Library/Java/JavaVirtualMachines/jdk1.8.0_92.jdk/Contents/Home/jre/lib/libinstrument.dylib. One of the two will be used. Which one is undefined.

报错如图，进行单元测试的时候出这个问题，求解！

Answer 1

Problem: Cannot call method in class, which is explicitly implemented from interface, through new object
 
using System;
using System.Collections.Generic;
using System.Linq;
using System.T......
答案就在这里：Cannot call method in class, which is explicitly implemented from interface, through new object
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