Fatal Exception: java.lang.NullPointerException Attempt to invoke virtual method 'int java.lang.String.length ()' on a null object reference #43 ...

PHPStorm 8.0.2 This exception occurs several times, but I couldn't find out what the preconditions are. kotlin.String cannot be cast to java.lang.String kotlin.TypeCastException: kotlin.String cannot ...

Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...