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In VB9, the equivalent of the Java ternary operator is the new If operator.
Prior to VB9, the equivalent of the Java ternary operator is the If/Else block. Although the VB IIf function can be used in a similar way to the conditional ternary operator (?) of Java, it is not equivalent. VB's IIf function needs to evaluate all arguments since it is a method (method calls always evaluate all arguments), but the ternary operator is able to bypass some evaluations (using short-circuit logic in a similar way to the logical operators && and ||).
For example, the following Java code:
Target = Condition ? ResultOne : ResultTwo;
Has the following VB equivalent, prior to VB9:
If Condition Then
Target = ResultOne
Target = ResultTwo
The following VB code is not functionally equivalent since both ResultOne and ResultTwo will be evaluated:
Target = IIf(Condition, ResultOne, ResultTwo)
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