if or statement

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

Objective Process Control statement: In the process of executing a program, the order of execution of each statement has a direct effect on the result of the program. That is to say, the process of the program has a direct impact on the running

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

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

Hello, C ++ (20). 4.2.2 represents the switch statement selected by the parallel condition: if ...... If ...... If ......,. 4.2.24.2.2 expression of the switch statement selected by the parallel condition: if ...... If ...... If ...... In the real

One way to "make something happen" is to evaluate an expression with a side effect. Injected assignments and function calls these expressions with side-effects can be used as separate statements, and this expression is also called an expression

1. Process Control StatementsIn the process of executing a program, the order of execution of each statement has a direct effect on the result of the program. In other words, the process of the program directly affects the results of the operation.

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

When programming, you often need to check a series of conditions and decide what measures to take accordingly. In Python, the if statement enables us to check the current state of the program and take corresponding measures accordingly. 5.1 The

This is often the case when developing databases:When a piece of data does not exist, insert the data. If the primary key of the data already exists in the database, update the data.How do you do this? First, query data based on the primary key, and