3. A switch statement is more efficient than a set of nested if statements. When it compiles a switch statement, theJavacompiler will inspect each of the case constants and create a “jump table” that it will use for selecting the path of execution depending on the value of the expressio...
switch Statement ExamplesExample 1In this example, we're showing use of switch statement where cases are based on a char. We've created a variable grade. Based on value of grade, each case is checked. if a case is satisfied and break statement is present then following cases are not ...
Switchhas evolved over time. New supported types have been added, particularly in Java 5 and 7. Also, it continues to evolve —switchexpressions will likely be introduced in Java 12. Below we’ll give some code examples to demonstrate the use of theswitchstatement, the role of thebreakstatem...
Output Compile and run the above program using various command line arguments. This will produce the following result − NO OUTPUT Note:Since the given month's value is 13 and we did not use the "default" statement here. Thus, nothing will be printed. ...
The default label is optional. there can be at most one default label in a switch statement. For example, Demo publicclassMain {publicstaticvoidmain(String[] args) {inti = 10;//www.java2s.comswitch(i) {case10:// Found the matchSystem.out.println("Ten");// Execution starts herecase20...
Switch case statement is used when we have number of options (or choices) and we may need to perform a different task for each choice. The syntax of Switch case statement looks like this – switch (variable or an integer expression) { case constant: //Ja
Stringclass(added in Java 7) HerelabelOne,labelTwoandlabelThreeare “compile-time constant expressions” orconstants(the value of the labels must be known at compile-time). We can achieve similar functionality with a chain ofif-else blocks, but theswitchstatement is more readable and clean. ...
Java Copy In this example, we have a switch statement that checks the value of the variableday. Depending on the value, it executes a different code block. Ifdayis 1, it prints ‘Monday’. Ifdayis 2, it prints ‘Tuesday’. In our case,dayis 3, so none of the cases match and not...
The switch statement allows us to execute a block of code among many alternatives. In this tutorial, you will learn about the switch...case statement in Java with the help of examples.
Stringclass(added in Java 7) HerelabelOne,labelTwoandlabelThreeare “compile-time constant expressions” orconstants(the value of the labels must be known at compile-time). We can achieve similar functionality with a chain ofif-else blocks, but theswitchstatement is more readable and clean. ...