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Fatal Exception: java.lang.NullPointerException Attempt to invoke virtual method 'int java.lang.String.length ()' on a null object reference #43 ...
Exception in thread "OkHttp Dispatcher" java.lang.NoSuchMethodError: 'void okhttp3.internal.platform.Platform.log(int, java.lang.String, java.lang.Throwable)' at com ...
Exception in thread "main" java.io.FileNotFoundException: Report.PDF (The system cannot find the file specified) at java.io.FileInputStream.open(Native Method) ...
The Java array length property does not have round brackets after the field. The Java String length () method does. Confusion here will cause compile time errors, so be careful.