Java switch case语句例子
Web15 apr 2024 · @Test public void switchCase(){ this.net(2); } private void net(int network){ switch (network) { case 1: { System.out.println("BAIDU"); break; } case 2: case 3: { System.out.println("BAIDUpeview"); break; } case 4: { break; } case 5: case 6: { break; } case 7:{ break; } case 8: case 9:{ break; } default: { System.out.println("network [" + … Webstatic int coverage(Object obj) { return switch (obj) { case String s -> s.length(); case Integer i -> i; default -> 0; }; } The compiler takes into account whether the type of a …
Java switch case语句例子
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Web13 lug 2024 · case表达式既可以用字面值常量,也可以用final修饰且初始化过的变量。 例如以下代码可正常编译并执行: public static int test(int i) { final int j = 2 ; int result; switch (i) { case 0 : result = 0 ; break ; case j: result = 1 ; break ; case 10 : result = 4 ; break ; default : result = - 1 ; } return result; } 但是没有初始化就不行,比如下面的代码就无法通过编译 Web2 dic 2024 · switch(sample) { // sampleが1の場合の処理 case 1: System.out.println("Sample1を実行します"); break; // sampleが2の場合の処理 case 2: System.out.println("Sample2を実行します"); break; // sampleが3の場合の処理 case 3: System.out.println("Sample3を実行します"); } } } このプログラムを実行すると、以下の …
Web18 set 2024 · switch case 语句判断一个变量与一系列值中某个值是否相等,每个值称为一个分支。switch的语法switch case 语句语法格式如下:switch(expression){ case value : //语 … Web23 mag 2013 · switch (name) { case text1: { //blah break; } case text2: { //blah break; } case text3: { //blah break; } case text4: { //blah break; } However, the code inside cases text1 and text4 is the same. I was therefore wondering if it would be possible for me to implement something like case text1 text4: { //blah break; }
Webswitch (变量或整数表达式) {case constant: //Java code; case constant: //Java code; default: //Java code;} 注:虽然在switch语句里面的case语句块里面的break语句不是必 … Webclass Main { public static void main(String [] args) { int expression = 2; // switch statement to check size switch (expression) { case 1: System.out.println ("Case 1"); // matching case case 2: System.out.println ("Case 2"); case 3: System.out.println ("Case 3"); default: System.out.println ("Default case"); } } } Run Code Output
Webpublic class SwitchDemoFallThrough { public static void main(String[] args) { java.util.ArrayList futureMonths = new java.util.ArrayList(); int month = …
Web23 feb 2011 · Just trying to figure out how to use many multiple cases for a Java switch statement. Here's an example of what I'm trying to do: switch (variable) { case 5..100: doSomething(); br... is cedar good for bowsWeb5 dic 2024 · Java switch case语句 1)switch case语句 switch(expression){ case value : //语句 break; default : //语句} 2)代码验证 import java.util.Scanner; public class … ruth lanierWeb7 giu 2024 · public class SwitchTest { @Test void testSwitchStatement(){ var trafficLight = randomTrafficLight(); String lightString = null; //switch语句可以不列出所有值,也可以没有default switch (trafficLight){ case LIGHT_RED: { lightString = "红灯"; break; } case LIGHT_GREEN:{ lightString = "绿灯"; break; } } Assertions.assertNotNull(lightString); } } … ruth lansing buffalo ny obituaryhttp://zztongyun.com/article/java的switch%20case语句 ruth lapide youtuberuth lanius westernWebswitch (hello.charAt (0)) { case 'a': ... break; } You should be aware though that Java char s do not correspond one-to-one with code-points. See codePointAt for a way to reliably get a single Unicode codepoints. Share Improve this answer Follow answered Aug 2, 2011 at 0:24 Mike Samuel 117k 30 217 242 Add a comment 2 Here's an example: is cedar harder than poplarWeb22 giu 2024 · 1.switch-case注意事项: switch(A),括号中A的取值只能是整型或者可以转换为整型的数值类型,比如byte、short、int、char、还有枚举;需要强调的是:long和Str […] ruth laporte