java.lang.BootstrapMethodError: Exception from call site #4 bootstrap method ,when initializing Retrofit

Question

I am using retrofit to get sample data from \"https://jsonplaceholder.typicode.com/comments\" but I am getting this error:

2020-03-31 16:33:12.011 8140-8140/         


        

Answer 1

add

  compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
}

in your gradle file.