what switch case statement

Switch...case statements are often used in the C language, let me show you a detailed question to be aware of when using this statement. Words not much to say, directly cite examples:Example 1:Switch (fruit){Case 1:printf ("Apple"); BreakCase

2.4 Switch/case replacementThe Switch/case statement is now emulated, but it is also run at compile time. First look at the calling code and output resultsTest casecout ::run ();Test Casecase 2Implementation code is very simple, or

Switch case is a qualified data in js, which is much simpler than if else. Next I will introduce my understanding of js switch case. In the if Condition Statement, only one logical condition can exist. if multiple conditions exist, you can use

Switch Case StatementEnter a year and a month, judging is the day of the first day?Console.WriteLine ("Please enter the Year:");int year = Int. Parse (Console.ReadLine ());Console.WriteLine ("Please enter the month:");int month = Int. Parse (Console.

while (true){Console.Write ("Please enter the Year:");int y = Int. Parse (Console.ReadLine ());if (y >= 1 && y {if (y% 4 = = 0 && y% = 0 | | y% 400 = 0){Console.WriteLine ("You have entered a leap year! ");Console.Write ("Please enter the

Switch Case statement:1 Switch(expression)2 {3 Caseconstant-expression 1:4 {5 statement block 1;6 Break;7 }8 ...9 Caseconstant-expression N:Ten { One statement block N; A Break; - } - default: the {

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

In an IF condition statement, a logical condition can only have one, and if there are multiple conditions, it can be resolved using nested IF statements, but this method increases the complexity of the program and reduces the readability of the

  Daily sentence: Happiness is about having each tiny wish come true. Happiness means reaching every Tiny Wish.   Ctrl + e d c # automatic layout. Forced conversion: If the expression contains an operand of the double type, the entire expression is

Switch syntax The code is as follows:Copy code Switch (expression){Case constant expression 1: Statement 1;....Case constant expression 2: Statement 2;Default: statement;} Default is to execute it if there is no matching case. default is not

    Public void onclick (view v) {Switch (v. GETID () {case R. id. btneditok: {// click Edit to complete the editing. It is transferred to the IF (nullcheckutil. isnotnull (edit_text.gettext (). tostring () {string cotent = edit_text.gettext ().

If statements process two branches, the IF-else-If structure must be used when processing multiple branches. However, if there are many branches, the more nested if statement layers,ProgramIt is not only huge but also difficult to understand.

The switch in Swift has been greatly improved in comparison with this part of the objective-c. This is a very interesting thing, because it is still not added to the objective-c, or the fact that the objective-c is a superset of C is not broken.

In the process of PHP web development, the speed of the website is closely related to the simplicity and complexity of the code. For example, when we need to specify a variety of conditions to execute different blocks of code, it is necessary to use

Switch statements can be rewritten with if statements, but if statements cannot be rewritten with switch statements. Public Enum staustype {// // link // linkinfo = 1} public static string getstaustype (staustype status) {string S = ""; Switch

In summary, the use of switch is to determine if the expression after the case matches the expression after switch, and once the case is matched, the subsequent program code is executed, regardless of whether the following case matches until the

In front of you to explain a multi-choice ElseIf statement, although this statement can make a variety of judgments, but when used, need to write a lot of if statements, to our program readability inconvenience, in order to avoid the IF statement

In an object-oriented program, the largest switch/case statement I've ever seen has more than 20 conditions. During the run, the code module executes all the conditions each time. Each condition is responsible for creating a new object that is used

1. Operators and expressions-2 1.1. Value assignment 1.1.1. Use "=" for value assignment "=" Is called the value assignment operator and is used to assign values to variables. In addition to assigning the expression on the right to the left, the

One, circular statementas we all know, the commonly used loop statements are for, while, Do-while, and For-in,foreach. In addition to the for-in and foreach performance slightly lower, usually our choice of the first three is more based on