switch(variableoran integer expression){caseconstant://Java code;caseconstant://Java code;default://Java code;} Switch Case statement is mostly used withbreak statementeven though it is optional. We will first see an example without break statement and then we will discuss switch case with break...
importjava.util.Scanner;publicclassMenuExample{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System.out.println("请选择操作:");System.out.println("1. 新建");System.out.println("2. 打开");System.out.println("3. 保存");System.out.println("4. 退出");intchoice=scann...
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语句落空通过所有case语句 下面我们来看看java switch语句落空通过所有条件,即 case 子句中的所有条件都未能匹配。也就是如果不在 switch case 下使用break语句,则它在第一个匹配之后也会执行接下来的所有 case 中的语句。 示例: public class SwitchExample2 { public static void main(String[] args) ...
在平时的java学习中,switch语句也是很重要的一部分,今天就简单的聊一下switch语句。 switch语句是Java的多路分支语句。它提供了一种基于一个表达式的值来使程序执行不同部分的简单方法。因此,它提供了一个比一系列if-else-if语句更好的选择。switch语句的通用形式如下: ...
实现"switch java 字符串" 1. 流程图 开始输入一个字符串使用switch语句判断字符串根据不同情况执行相应操作结束 2. 步骤 3. 代码实现 importjava.util.Scanner;publicclassSwitchStringExample{publicstaticvoidmain(String[]args){// 步骤1: 输入一个字符串Scannerscanner=newScanner(System.in);System.out.print(...
Switch case String example Syntax of Switch case in java 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 switch(expression) { case value_1 : // Statements break; // optional case value_2 : // Statements break; // optional // Default is executed when the expression does not match ...
In this example,numis 1, which matches the first case. However, because there’s no break statement after the first case, Java ‘falls through’ to the second case and executes that as well, resulting in both ‘One’ and ‘Two’ being printed. ...
5. textOn And testOff: textOn attribute is used to set the text when Switch is in checked state (i.e. on state). We can set the textOn in XML as well as in the java class.In the below example we set the textOn as “Yes” and textOff as “No” for a Switch.<Switch ...
importjava.util.Scanner;publicclassSwitchExample{publicstaticvoidmain(String[] args){Scannerscanner=newScanner(System.in); System.out.print("请输入日期:");intday=scanner.nextInt();switch(day) {case1:case2:case3:case4:case5: System.out.println("工作日");break;case6:case7: ...