switch statement java

The Switch...case statement in Swift can determine the object type, and the objective-c must be an integer.Can not penetrate, can not write break, var rank = "A" switch rank{case "a"://equivalent to if print ("excellent") Case "B"://equivalent to else if print ("excellent") case "C"://equivalent to else if print ("excellent") default:/

Answer supplementYou can do this easily: Switch (a) {Case 0: Case 1: Case 2: printf ("lslksdjfl/N"); Case 3: Case 4: case 5: printf ("sdlfjsdlf/N"); default: printf ....} Answer supplementCan you use the if statement? |All I know is that the switch does not have the if range limit. |In this case, Case 0: Case 1: Case 2: Case 3: .. case 10: Default: Here is the

//Date vard1=NewDate ();//the first method of creating a son//document.write (d1.tostring () + " //second method of creation//var d2=new Date ("2009-02-28 18:18:18");//document.write (d2.todatestring ());D1.setfullyear (2018); D1.setmonth (0); D1.setdate (18); varYear=d1.getfullyear (); varMonth=d1.getmonth (+1); varDate=d1.getdate (); varday=D1.getday (); Switch(day) { Case0: Day= "Sunday"; Break; Case1: Day= "Monday"; Break; Case2: Day= "T

Jdk7 a constant in a new switch statement can be of type string,For example:@Testpublic void Test_1 () {String string = "Hello"; switch (string) {case "Hello": System.out.println (String); Default:throw New IllegalArgumentException ("illegal parameter");}}Behind the syntactic sugar, its practical treatment of string types, using the Hashcode () method to convert.

The switch case where you learned the choice statement today is a multi-select scenario that you can use.Case:Enter the month and the number of the output is how many days this yearThe 1,3,5,7,8,10,12 month is 31 days a year.This year's February is 28 days the other is 30 intM1 = to, M2 = -, M3 = to, M4 = -, M5 = to, M6 = -, M7 = to, M8 = to, M9 = -, M10 = to, M11 = -; ----don't need t

The variable definition inside the switch:1 inti =1;2 Switch. IO3 {4 Case 0:5 stringStr//Error6 intVal1 =0;//Error7 intVal2;// Right8 intVal3; Val3 =0;// Right9 Case 1:TenVal2 =9; Onecout Endl; A}C + + Primer P163: If a variable with an initial value is somewhere outside the scope and the variable is in scope at another location, then the behavior of jumping from on

"); Break;case South:System.out.println (" South "); break;default:break;} I can play the east in the switch statement, but the switch statement alone in the east does not come out//what is the principle?}}Results:Java is good, worth learning.Learning resources: Itcast and Itheima Video library. If you have public reso

This article is still written for beginners, and the following is for all the branch structures and switch branches of if, and hopefully it will help beginners. An If statement includes a single condition, a single branch, a single condition, a double branch, and a multiple-condition multiple branch. 1. Single condition, single branch: parentheses () The value inside the bracket () must be a Boolean, follow

This article describes the use of switch statements in PHP, which is similar to the switch usage in other statements, but note that there is a break statement. Standard syntax for switch statements in PHP: switch (expression) {case Label1: The code to is executed i

Use the switch statement to select one of several code blocks to execute.GrammarSwitch (n) {Case 1: Execute code block 1 break;case 2: Execute code block 2 break;default: N code that executes when different from 1 and 2How it works: first set an expression n (usually a variable). The value of the subsequent expression is compared to the value of each case in the structure. If there is a match, the code