Spletclass RequestHandler { public void handleRequest (int action) { switch (action) { case LOGIN: doLogin (); break; case LOGOUT: doLogout (); break; case QUERY: doQuery (); break; } } } This code violates the Open Closed Principle and is fragile to every new type of action code that comes along. SpletThe switch statement allows us to execute a block of code among many alternatives. The syntax of the switch statement in Java is: switch (expression) { case value1: // code break; case value2: // code break; ... ... default: // default statements } How does the switch-case statement work?

How to return values found in a switch statement Java

SpletThe body of a switch statement is known as a switch block. A statement in the switch block can be labeled with one or more case or default labels. The switch statement evaluates its expression, then executes all statements that follow the matching case label. You could also display the name of the month with if-then-else statements: Splet27. okt. 2024 · The switch case statement is a multiway branch statement. It provides an easy way to dispatch execution to different parts of code based on the value of the … how to search for a word on a page command

Java Switch Case Statement With Programming Examples

SpletSwitch case allows only integer and character constants in case expression. We can't use float values. It executes case only if input value matches otherwise default case executes. Break keyword can be used to break the control and take out control from the switch. It is optional and if not used, the control transfer to the next case. SpletThe syntax of the switch statement in Java is: switch (expression) { case value1: // code break; case value2: // code break; ... ... default: // default statements } How does the … SpletThe Java switch statement executes one statement from multiple conditions. It is like if-else-if ladder statement. The switch statement works with byte, short, int, long, enum … how to search for a word in iphone messages