if then else statement example

If ... Then ... Else statementConditionally executes a set of statements based on the value of an expression. If condition Then statements [Else elsestatements] Or, use block-form syntax: If condition Then[Statements][ElseIf condition-n

Conditional statement, which is a kind of statement that chooses to execute according to the condition in the program, the difficulty lies in how to abstract the condition accurately in the actual use of such statement. For example, to implement the

From http://www.cnblogs.com/ggjucheng/archive/2012/12/16/2820834.html English from http://docs.oracle.com/javase/tutorial/java/nutsandbolts/if.html If-then statement If-then statements are the most basic control flow statements. It

The code we see earlier is executed sequentially, that is, the first statement is executed first, then the second, the third ... Until the last statement. However, in many cases, sequential structure of the code is far from enough, such as a

Before you introduce the "if" statement, know that the "if" statement is to meet the expression when the execution of a PHP statement, when the condition is not satisfied, is not executed, but, in most cases, always meet the conditions when the

SQL statement case when then else end returns a qualified value, sqlcase Case has two formats Simple Case functions and Case search functions: -- Simple Case function CASE sex WHEN '1' then' male 'when' 2' then' female 'else' other 'ends -- Case

Case has two formats. Simple case function and case search function.--Simple Case functionCase SexWhen ' 1 ' Then ' men 'When ' 2 ' then ' women 'Else ' other ' END--case search functioncase If sex = ' 1 ' Then ' man 'When sex = ' 2 ' Then ' women

Case has two formats. Simple case function and case search function.--Simple Case functionCase SexWhen ' 1 ' Then ' men 'When ' 2 ' then ' women 'Else ' other ' END--case search functioncase If sex = ' 1 ' Then ' man 'When sex = ' 2 ' Then ' women

If,elseIf if, else is another meaning, if the condition is determined within the parentheses, if the condition is met, the IF statement executes the command and if it does not, the IF statement is not entered.The basic format:①if (...) Conditions

How to Use the if... else statement in Lua This article mainly introduces how to use the if... else statement in Lua. It is the basic knowledge of Lua beginners. For more information, see The if statement can be followed by an optional else