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How to check a String is null or empty or blank using Apex in Salesforce?
How to check a String is null or empty or blank using Apex in Salesforce?
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2 Replies
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A)IsBlank – It Returns true if the specified String is white space, empty (”) or null, otherwise it returns false.
B)IsNotBlank – It Returns true if the specified String is not white space, not empty (”) and not null, otherwise it returns false. -
Main Difference Between ISBLANK And ISNULL in Salesforce. ISBLANK determines if an expression has a value then returns TRUE if it does not. ... ISNULL determines if an expression is null (blank) then returns TRUE if it is. If the expression contains a value, then this function returns FALSE.
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