While our example is a bit arbitrary, the point is that we’ve got access to more of the Java language here. 5.3. Returning InsideswitchExpressions As a consequence of the distinction betweenswitchstatements andswitchexpressions,it is possible toreturnfrom inside aswitchstatement, but we’re not...
To learn more, visit Java break Statement. default Case in Java switch-case The switch statement also includes an optional default case. It is executed when the expression doesn't match any of the cases. For example, class Main { public static void main(String[] args) { int expression =...
Java Switch. Part I: Statement Java中的switch语句是一个强大的流程控制工具,允许开发人员执行一段代码。levelup.gitconnected.com 让我们来区分switch语句和switch表达式。主要的区别在于switch表达式会返回一个值,而switch语句则不会。可以说,switch表达式相当于一个可以返回值的增强版switch语句。 收益(注释:上下文...
Example Using the switch statement to execute a block of code based on user input, from a prompt box: vartext; varfavDrink = prompt("What's your favorite cocktail drink?"); switch(favDrink) { case"Martini": text ="Excellent choice! Martini is good for your soul."; ...
Main.java void main() { String[] planets = { "Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Pluto" }; for (String planet : planets) { System.out.println(planet); } } In this example, we use the enhancedforstatement to go through an array of planets....
Java Switch Statements Instead of writingmanyif..elsestatements, you can use theswitchstatement. Theswitchstatement selects one of many code blocks to be executed: SyntaxGet your own Java Server switch(expression){casex:// code blockbreak;casey:// code blockbreak;default:// code block}...
Java 12 introduced the switch expressions which can compute the value for the whole switch statement and assign its value to a variable. It is very similar to other normal Java statements. 2.1. Return value with Arrow Syntax Let us rewrite the last example, with a switch expression. Noticelin...
在上面的示例中,我们同样使用switch语句来根据变量number的值执行不同的操作。当number的值为3时,打印出"Number is 3",然后使用return语句立即退出main方法。因此,程序不会执行switch语句之后的代码,也不会输出"Switch statement is finished"。 小结 通过使用break或return语句,我们可以在Java中退出switch循环。break语...
Here’s a simple example: intday=3;switch(day){case1:System.out.println('Monday');break;case2:System.out.println('Tuesday');break;// ...}#Output:#'Tuesday' Java Copy In this example, we have a switch statement that checks the value of the variableday. Depending on the value, it ...
Java 12 introduced the switch expressions which can compute the value for the whole switch statement and assign its value to a variable. It is very similar to other normal Java statements. 2.1. Return value with Arrow Syntax Let us rewrite the last example, with a switch expression. Noticelin...