Explain About The Defined Operator?

1.	Explain About The Defined Operator?
Answer» Define operator DEFINES whether a passed expression is defined or not. If the expression is defined it RETURNS the description STRING or null if the expression is not defined. If a variable is defined it GETS initialized. If method_call is defined as true then method also gets defined. This is also the same case with super and yield. Define operator defines whether a passed expression is defined or not. If the expression is defined it returns the description string or null if the expression is not defined. If a variable is defined it gets initialized. If method_call is defined as true then method also gets defined. This is also the same case with super and yield.

Answer»

Define operator DEFINES whether a passed expression is defined or not. If the expression is defined it RETURNS the description STRING or null if the expression is not defined. If a variable is defined it GETS initialized. If method_call is defined as true then method also gets defined. This is also the same case with super and yield.

Define operator defines whether a passed expression is defined or not. If the expression is defined it returns the description string or null if the expression is not defined. If a variable is defined it gets initialized. If method_call is defined as true then method also gets defined. This is also the same case with super and yield.

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