switch(day){case1:System.out.println("星期一");break;case2:System.out.println("星期二");break;case3:System.out.println("星期三");break;} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 步骤4:使用break语句终止case分支的执行 在每个case分支的末尾添加break语句,以终止该case分支的执行: switc...
intnum1=2;intnum2=3;switch(num1){case1:System.out.println("num1 is 1");switch(num2){case1:System.out.println("num2 is 1");break;case2:System.out.println("num2 is 2");break;default:System.out.println("num2 is neither 1 nor 2");}break;case2:System.out.println("num1 is 2...
```java switch (表达式) { case 值1: // 代码块1 break; case 值2: // 代码块2 break; // ... default: // 默认代码块 } ``` 二、switch语句的执行流程 1. 首先计算表达式的值。 2. 根据表达式的值,选择对应的case进行匹配。 3. 如果找到匹配的case,则执行对应的代码块,并在代码块末尾遇到br...
javaswitchbreakhelp + 9 If you don't use break statement then the program executes till end and all statements below the required statement would also be executed. 10th Sep 2017, 1:37 PM Lakshay + 7 It allows fall through the condition so you don't need to repeat the statements. For ...
To demonstrate this, let’s omit thebreakstatements and add the output to the console for each block: public String forgetBreakInSwitch(String animal) { switch (animal) { case "DOG": System.out.println("domestic animal"); default:
Java的选择语句: if if-else nested-if if-else-if switch-case jump – break, continue, return 1. if: if语句是最简单的决策语句。它用于决定是否执行某个语句或语句块,即如果某个条件为真,则执行语句块,否则不执行。 语法: 代码语言:javascript ...
There is still a chance of improvement. In the above example, having the break statements does not look good. We canremove the break statements using the new arrow syntax. It is available sinceJava 13. Switch Statement with Arrow Syntax ...
//break; case 6: System.out.println("b"); break; case 2: System.out.println("c"); break; } */ /* int a=4,b =2; char ch = '+'; switch(ch) { case '-': System.out.println(a-b); break; case '+': System.out.println(a+b); ...
语句体1;break;case值2: 语句体2;break; ...default: 语句体n+1;break; } 格式解释说明:switch:说明这是switch语句。 表达式:可以是byte,short,int,charJDK5以后可以是枚举 JDK7以后可以是字符串case:后面的值就是要和表达式进行比较的值break:表示程序到这里中断,跳出switch语句default:如果所有的情况都不匹配...
Switch statements are a powerful way to control the flow of your code, making them extremely popular for handling multiple conditions in a more readable and efficient way compared to if-else statements. In this guide, we’ll walk you through the process of using switch statements in Java, fro...