if while statement

Here is a typical decision to make if ... Else the general form of the structure is used in most programming languages: If statement: The If statement consists of a Boolean expression followed by one or more statements. Grammar: Syntax for an IF

the format of awhile loop statement: 1. Format: while (condition of the loop) { loop statement;} 2, while the Loop statement to note matters:1) The While Loop statement is typically the number of times a variable is controlled by its loop.2) The

Mainly introduces the syntax of Shell Basic statementIf statement syntax1 single branch structure (if, then)If ; then instruction; fiOr as follows:If ? Then? InstructionsFi2 Dual-branch structure (if, then, otherwise ...) )If ? Then?

In the code business, conditional judgment is essential, and the statements that control the flow are similar in each language. Swift includes the following:If,switch,for-in,for,while,do-whileIf condition statement (if-else) (If ... else)Executes

Python introductory statement, including if statement, while statement, for statement, for Python beginners reference. If statement Example name = ' Peirong '; if name = = ' Peirong ': print ' This is Peirong ', elif name== ' Maojun ': print '

An introductory Python statement that includes an if statement, a while statement, and a for statement for the Python beginner's reference. If statement Example name = ' Peirong '; If name = = ' Peirong ': print ' is Peirong '; Elif name== '

A, Shell conditional statement (if usage) If statement structure [IF/THEN/ELIF/ELSE/FI] Copy Code code as follows: If condition test statement Then Action [Elif condition Action Else Action ] Fi If

4.2.2 The switch statement that expresses the side-by-side condition selection: If ... If...... If......In the real world, there is a special kind of conditional choice:If it is sunny tomorrow, I will wear a T-shirt;If it is cloudy tomorrow, I will

In awk, flow control statements, syntax structure, and C language type. The usage of each statement is as follows: In the while, do-while, and for statements of linux awk, break and continue statements can be used to control the process and exit

OneLoop statements (there are two types):While statementFor statementWhile statement:Problem: Enter an integer n to allow the program to output n rows:Hello 1Hello 2.......Hell NWhile statement:Function: Executes a statement or multiple statements