if then else statement

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

If... Then... Else statement Execute a group of statements conditionally based on the expression value. If condition Then statements [Else elsestatements ] Alternatively, use the block Syntax: If condition Then[statements][ElseIf condition-n

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

In php, if else or switch statements are used most frequently, next, I will give you a detailed introduction to my notes on using the if else Conditional Control statement in php. if you need it, please refer to it. In php, the basic process control

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

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

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

This article mainly introduces the usage of the IF ... else statement in Lua, which is the basic knowledge in Lua's introductory learning, and can be consulted by a friend. An If statement can be followed by an optional else statement, when the

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