Can you call equals on null?

Consequently, if both arguments are null, it returns true and if exactly one argument is null, it returns false. Otherwise, it then simply calls the equals() method of the passed argument’s type’s class – which in our case is String’s class equals() method.

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Does string isEmpty check for null?

Using the isEmpty() Method The isEmpty() method returns true or false depending on whether or not our string contains any text. It’s easily chainable with a string == null check , and can even differentiate between blank and empty strings: String string = “Hello there”; if (string == null || string.24 Kas 2021

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