Feb 17, 2015 · Define a variable on top of switch statement so that it is visible for switch scope. then assign your value to that variable in each case. Then as last line return your assigned variable.

Jul 31, 2013 · The rules of Java require that all paths through a value-returning function encounter a return statement. In your case, even though you know the value of i will always be of a value that will cause a return from the switch, the Java compiler isn't smart enough to determine that.

private double translateSlider(int sliderVal) { switch (sliderVal) { case 0: return 1.0; case 1: return .9; case 2: return .8; case 3: return .7; case 4: return .6; default: return 1.0; } }

You can use a return statement within the switch statement to terminate it and return a value. Using the return statement in a switch statement is mainly used to immediately return a value when a specific case is executed, and it terminates the execution of the switch statement.

Sep 7, 2019 · It's possible to return the value of a switch statement starting with Java 12, as per JEP 325. Check your version of Java, if it's anything less than 12 then you can't use switch like that and you'll have to resort to first saving the intended value in a local variable.

Jun 11, 2024 · public String exampleOfSwitch(String animal) { String result; switch (animal) { case "DOG": case "CAT": result = "domestic animal"; break; case "TIGER": result = "wild animal"; break; default: result = "unknown animal"; break; } return result; }

switch(expression) { case x: // code block break; case y: // code block break; default: // code block} This is how it works: The switch expression is evaluated once.

Java provides a new way to return a value from a switch expression using case L - > notation. Syntax case label1, label2, ..., labeln -> expression;|throw-statement;|block

Feb 1, 2017 · Java's switch statement allows easy selection of execution paths based on a variable's value. Switches can replace if-else-if chains.

Apr 11, 2025 · The switch statement in Java is a multi-way branch statement. In simple words, the Java switch statement executes one statement from multiple conditions. It is an alternative to an if-else-if ladder statement. It provides an easy way to dispatch execution to different parts of the code based on the value of the expression.