how to if statement

On-Machine content: Solving piecewise functions with an if statement The purpose of the machine: branch structure programming /* * Copyright (c) 2012, Computer College, Yantai University * All rights reserved. * Author: Xu Benxi * Date of Completion:

Upper: Process oriented:Sequential executionSelect execution: If, caseLoop execution: For, while, until One, for statement Format:for variable in list;Statement 1;Statement 2;...DoneExample 1, write a script, add 10 users, and let each user's

If statement formatIf conditionThenCommandElseCommandFi, don't forget this ending.If statement forget the end fiTest.sh:line 14:syntax error:unexpected End of fi if three conditional expressionsIfCommandThen ifFunctionThenCommand execution succeeds,

PHPHeader("content-type:text/html; Charset=utf-8 ");$username=$_get[' username '];$PSW=$_get[' Password '];$phone=$_get[' Phone '];include(".. /ini/inid.php ");$select _admin=mysql_query("SELECT count (*) c from ofuseradmin where phone= '".$phone."‘

C # 7.0 Pattern-matching (mathing) not only saves code, but also makes the code smoother (fluent), and today it's a bit of a practical development.Without a pattern-matching code, you need to get the return value first and then use if to

Ask a question about the if statement in a function. if a Cainiao has similar functions, it is incomplete. just give an example. Function p_abc ($ a = '', $ B ='', $ c = ''){ $ A = xxx If ($ B = '000000 '){ $ A = xxx + 1 } $ C = yyy } When $

I. Use common ternary Operators If (FOO) bar (); else Baz () ;=> Foo? Bar (): Baz ();If (! Foo) bar (); else Baz () ;=> Foo? Baz (): bar ();If (FOO) return bar (); else return Baz () ;=> return Foo? Bar (): Baz (); You are certainly not familiar

Considerations for the IF statement:A: Comparing expressions whether simple or complex, the result must be a Boolean typeB:IF Statement Control Statement Body if it is a statement, curly braces can be omitted;If it is more than one statement, you

That is, the selection of the border property when the type is selected is not optional, generally with if else in the type of change method, now a word can be done to see the codePrivate voidM_rdbtnproid2_checkedchanged (Objectsender, EventArgs e) {

Public classOdd even judgment { Public Static voidmain (String [] args) {floats = 9f;//takes a single floating-point variable s, which can be any value floath = s%2;//let S to 2 take the remainder if(h = = 1)//if the remainder

Train of thought: 1, if have room, can talk2, if there is no room, ask the second condition of money, if there is, can talk3, if no room without money, then ask the third condition has the ability, if there is, can talk4, if the above three

1. Judging height, weight is standardConsole.WriteLine ("Please enter your height:"); intSG =Convert.ToInt32 (Console.ReadLine ()); Console.WriteLine ("Please enter your weight:"); intTZ =Convert.ToInt32 (Console.ReadLine ()); Console.WriteLine

Usage Scenario: A server comes up with a set of data, such as a notification message in the app, where the type value represents the datatypeFor a chestnut ~ for type and test text type (displayText), DisplayText used in the interface display@ "Test1

To generate a random number using a computer:Random rand = new Random ();int n = rand. Next (10); n represents a random number that is generated between 0-9Case: A little game to do scissors0---Scissors 1---stone 2---clothIdea: A computer randomly

Case LIST:First, the conditions of marriage, have a room? You got Money? Are you capable?Train of thought: 1, if have room, can marry2, if there is no room, ask the second condition of money, if there is, can be married3, if no room without money,

1. If Else statement Basic syntax Single condition judgment if condition { //do something}//multi-condition judgment if condition {} else if condition { //do something} else {//do so Mething} If single condition followed by a statement and

1, use if to determine whether the input is the space bar Method: (Console.readkey () the use of)Consolekeyinfo Readkey = console.readkey (); Console.WriteLine (Readkey. Key.tostring ()); if " SPACEBAR " ) Console.WriteLine (" space ");2,

DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd ">HTMLxmlns= "http://www.w3.org/1999/xhtml">Head>Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"

1. Basic useLet num = 23If num > 10 {Print ("num is big")}else If num Print ("num is Fushu")}else{Print ("num is mid")}In Swift, the conditional statement followed by if must be a booltype expression, as if (num) in OC cannot be used in swift2.if

Write the If Statement of Python to avoid placing the branch code in the same line after the exit Using indentation to differentiate scopes (the same as other places in Python) makes it easier to determine what conditions are to be executed.If,Elif,