Can You Refactor an If-Else Statement to a Ternary Operator?

Ternary Operator Refactoring

The ternary operator in Java provides a concise alternative to if-else statements, allowing you to evaluate true or false conditions and assign different values based on the outcome.

Question:

Can the following code be replaced with a ternary operator?

Answer:

Case 1: Non-Void Return Value

If callFunction(...) returns a non-void value, you can use the ternary operator as follows:

This assigns the return value of callFunction if string is not null, otherwise it assigns null.

Case 2: No Return Value

However, if callFunction(...) does not return a value, you cannot use a ternary operator. In this case, the original if-else statement remains necessary.

Style and Usage Considerations

While ternary operators can be a convenient shorthand for simple conditional assignments, it's important to consider their readability and maintainability. If the intent of your code is not clear or requires additional context, it's usually better to stick with if-else statements.

Alternative One-Liner

If your empty false clause is intended to do nothing, you can use the following one-liner instead:

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