所以我試圖在應(yīng)用程序上顯示一些貨幣兌換，但我什至無法運(yùn)行它，我遇到了這個(gè)錯(cuò)誤：2019-05-01 14:34:57.260 6798-6798/com.example.myapplication E/AndroidRuntime: FATAL EXCEPTION: mainProcess: com.example.myapplication, PID: 6798java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.myapplication/com.example.myapplication.MainActivity}: java.lang.IllegalArgumentException: Unable to create converter for java.util.List<com.example.myapplication.Currency>    for method CurrencyExchangeService.getCurrency    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)    at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)    at android.os.Handler.dispatchMessage(Handler.java:106)    at android.os.Looper.loop(Looper.java:193)    at android.app.ActivityThread.main(ActivityThread.java:6669)    at java.lang.reflect.Method.invoke(Native Method)    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) Caused by: java.lang.IllegalArgumentException: Unable to create converter for java.util.List<com.example.myapplication.Currency>    for method CurrencyExchangeService.getCurrency    at retrofit2.Utils.methodError(Utils.java:52)    at retrofit2.HttpServiceMethod.createResponseConverter(HttpServiceMethod.java:70)    at retrofit2.HttpServiceMethod.parseAnnotations(HttpServiceMethod.java:46)        ... 11 moreLogcat 導(dǎo)航到這行代碼        Call<List<Currency>> call = currencyInterface.getCurrency();我假設(shè)這是在接口中調(diào)用方法，我在 @Get 方法中錯(cuò)誤地命名了 String 。