importjava.util.Scanner;publicclassDaysInMonth{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System.out.print("请输入月份(1-12):");intmonth=scanner.nextInt();System.out.print("请输入年份:");intyear=scanner.nextInt();intdays;switch(month){case1:case3:case5:case7:c...
Flow chart of the Java switch statement break Statement in Java switch...case Notice that we have been using break in each case block. ... case 29: size = "Small"; break; ... The break statement is used to terminate the switch-case statement. If break is not used, all the cases...
importjava.util.Scanner;publicclassSeasonChecker{publicstaticvoidmain(String[]args){Scannerinput=newScanner(System.in);System.out.print("请输入一个月份:");Stringmonth=input.nextLine();switch(month){case"1":case"2":case"12":System.out.println("当前是冬季");break;case"3":case"4":case"5":...
The Java switch example shown in the beginning is equivalent to the following set of Java if statements: int amount = 9; if (amount == 0) { System.out.println("amount is 0"); } else if(amount == 5) { System.out.println("amount is 5"); } else if(amount == 10){ System.out...
// Java program to demonstrate an enum// in switch casepublicclassMain{enumVehicle{BIKE,CAR,BUS}publicstaticvoidmain(String[]args){String str="BUS";switch(Vehicle.valueOf(str)){caseBIKE:System.out.println("BIKE is for 2 persons.");break;caseCAR:System.out.println("CAR is for 5 persons...
The break and default keywords are optional, and will be described later in this chapterThe example below uses the weekday number to calculate the weekday name:Example int day = 4; switch (day) { case 1: System.out.println("Monday"); break; case 2: System.out.println("Tuesday"); bre...
The fall-through behavior can lead to subtle bugs when you simply forget to include abreakstatement. Consequently, the behavior of the program could be incorrect. In fact, the Java compiler warns you of suspicious fall through if you compile with- Xint:fallthrough. The issue is also picked ...
Java 12 引入了新的 switch 表达式,而 #IntelliJ IDEA# 也已支持这个新特性。别忘了配置 Language Level 搭配 Alt+Enter(Windows/Linux)或 ⌥⏎(macOS)来体验新语句的魅力! 动图 û收藏 转发 4 ñ14 评论 o p 同时转发到我的微博 按热度 按时间 正在加载,请稍候......
The switch statement falls under decision-making statements, allowing your program to choose different paths of execution based on an expression’s outcome. Grasping the Concept of ‘Fall Through’ in Switch Statements A unique characteristic of the switch statement in Java is the ‘fall through’ ...
好的,以下是我为您提供的答案: 在 Java 中使用 `switch` 和 `case` 进行条件判断是非常常见的,尤其是在处理一些需要根据不同条件进行不同处理的操作时。`switch` 语句可以将...