From the course: Pattern Matching for Switch in Java 21

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Using patterns in case labels

Using patterns in case labels - Java Tutorial

From the course: Pattern Matching for Switch in Java 21

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Using patterns in case labels

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- [Instructor] Let's revisit the Person example. In this method, getPersonData. I'm going to implement a switch expression that returns the matched person's data. Because this is a switch expression, I'd start by returning the expression's value. So return and then switch. The target or the select expression would be obj because we are testing the obj object. Obj, the switch block. Put the semicolon at the end. Then you write the case labels. The case label can have a type pattern. That is the type, in this case, employee, followed by the pattern variable that is e. So case Employee e. In this case, you write the case where obj is an employee object. Next, you put the arrow operator and write the statement you want to return. So put the arrow operator. Let's get the employee salary and return it formatted as a float value. So type String.format, format it as a float value. E.getSalary. Similarly, you write another case label, case Student s. The type now is the student, and the…

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